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105 Cards in this Set

  • Front
  • Back

Coloboma

Absence of portion of eyelid

Usually unilateral/upper eyelid/medial to middle third

Can occur in eye - lower third

Significant corneal staining w/ corneal exposure - which is common if 30% or more missing

Cornea could become keratinized

Treatment: AT or ung for ALL/mild cases

For more severe (corneal infection risk), also use antibiotic ung: bacitracin BID-QID, polysporin(polymixin B and bacitracin zinc) IO at night or BID-QID, erythromycin(macrolide) BID-QID, gentamicin(aminoglycoside) BID-QID...or viscous antiobiotic gtt: azasite(macrolide) 1 gt BID for two days and 1 gt QD for five days, besivance(fluoroquinolone) 1 gt TID for seven days

Lid replacement if 75% missing (w/in 48 hrs of birth - if less severe wait 3-6 months b/c anesthesia

Distichiasis
Double row of lashes that originate at Meibomian orifices

Smaller, shorter, more delicate, misdirected usually

Possible/likely corneal staining

Usually autosomal dominant if inherited

Treatment: lubricants of cornea, epilation or electorysis of lashes, cryotherapy or surgical removal if severe, antibiotic prophylactically(same as coloboma)
Epicanthal Folds
Redundant fold from upper to lower lid in medial canthus

Usually bilateral

Asian/Caucasian common

Seen in patients with flat bridges, may mimic esotropia - don't misdiagnose

NO treatment
Ptosis
Drooping lid - 2mm or more of superior corna covered

IF - measure at widest point, in normal patients, upper lid 1mm below superior limbus

LC - margin of lid up to the crease(where levator inserts); Epiblepharon = extra lid crease

MPD/MRD - pupillary reflex to lid margin

Levator Excursion - how well levator works; have patient look down as far as they can, then up as far as they can - measure in mm
Aquired Ptosis (Neurogenic)
Third Nerve Palsy - most commonly vascular in origin, could be hypertension

Eye could be "down and out" b/c same blood supply to superior/medial rectus and inferior oblique (diplopia)

Usually resolves w/in 90 days if benign b/c recanalization

Complete ptosis - eye shut

Neurologic Emergency if pupil involved(dilated) - intracranial aneurysm

If pupil not involved, follow patient daily to make sure

Horner's Syndrome - sympathetic interruption - ipsilater miosis, anhydrosis

LC the same b/c aponeurosis not affected

Chest X-ray if patient is smoker - tumor could compress nerve

If congenital, often associated with heterochromia
Aquired Ptosis (Mechanical)
Excess weight of lid - swelling, tumors, etc...

Conjunctival Scarring

Dermatochalasis - "pseudoptosis," loose lid folds, older patients, loss of elastin, effects of gravity, weak connective tissue...COMMON
Aquired Ptosis (Myogenic)
Aponeurotic - levater insertion pulled back or lost grip, increased LC, MOST COMMON TYPE OF AGE-RELATED PTOSIS

Myasthenia Gravis - loss of ACh receptors, ptosis varies throughout day and may alternate b/w right and left, intermittent VARIABLE diplopia

Ice Pack Test - over affected eye for 5-7 mins. and retest, delays AChe
Aquired Ptosis Treatment
Treat underlying condition

Ptosis crutch - attaches to glasses

Surgery

Phenylephrine - helpful for minor Horner's
Congenital Ptosis
Developmental anomaly of levator

Have to use frontalis to look up

"Lid Lag" - in downgaze b/c levator won't stretch either (lack of tissue)

Ptotic eye in straight gaze will be higher in downgaze

Could develop amblyopia if affected certain gaze

Treatment: delay surgery till 4 months unless severe, protect cornea
Floppy Eyelid Syndrome (FES)
Soft, rubbery tarsal plate - loss of elastin

Easily everted during sleep - superior palpebral papillary response and possible PEK

Primarily obese males

Treatment: bacitracin BID-QID, gentamicin(aminoglycoside) TID, tape lids, eye shield, follow 3-7 days till stable, surgery has variable results
Blepharospasm
Involuntary contractions of orbicular oculi

Bilateral

Can be functionally blind

Treatment: underlying disease, botox, sugery to remove orbicularis oculi
Ectropian
Outward turning of eyelid

Etiology: Involutional/Age-related (senile), CNVII palsy, cicatricial, mechanical - weight (dermoid), allergic, congenital

C/O: tearing, irritation, FBS, may see PEK, injection, kertinization

Treatment: lubricants, antibiotic ung if area at risk for infection, F/U 1-2 weeks, tape lids, surgery
Entropian
Inward turning

Etiology: senile, cicatricial, spastic, congenital

C/O: tearing, irritation, red eyes, may see PEK, injection

Treatment: antibiotic ung, tape lids, superglue lids, epilate lashes if trichiasis is mild, surgery, F/U as needed
Trichiasis
Misdirected lashes

C/O: FBS, irritation, tearing, PEK, injection

Etiology: chronic bleph, entropian, distichiasis, idiopathic

Treatment: removing lashes, antibiotic ung if PEK present
Lagophthalmos
Incomplete lid closure - opens normally

Etiology: orbital/proptic, nocturnal, mechanical, paralytic

C/O: FBS, morning irritation, dry eyes, PEK in exposed area - middle/lower 1/3 of cornea

Treatment: lubricating ung qhs, antibiotic PRN, soft CL as bandage, tape lids, tarsorrhapy
Cyst of Moll
Moll glands are modified sweat glands at eyelash margins (each follicle)

Excise, benign, called sudoriferous cyst
Cyst of Zeis
Zeis glands are sebaceous glands at eyelash margins (each follicle)

Excise, benign, more opaque
Sebaceous Cyst
Yellowish white, usually multiple lumps on skin

Have central punctum which looks like blackhead

Multiple lesions known as milia

Excise, benign
Xanthelasma
Cholesterol deposits and other lipids w/in skin

Investigate for hyperlipidemia in young patients

Tend to recur, benign
Molluscum Contangiosum
Viral wart - frequent in healthy children or immunocompromised adults (worry about HIV)

Small lesions w/umbilicated centers, see cheesy core that often spontaneously drains (clean with alcohol)

May be multiple

Can puncture and express in office - clean after with alcohol

Resolves w/o scars

Rule out Basal Cell Carcinoma
Papilloma
Verrucae Papillomata - benign overgrowth of epithelial cells

Verruca Vulgaris - pedunculated

Verruca Plana - flat

Keratin may build up and cause cutaneous horn

Rough surface - cauliflower-like

Many have viral etiology and are linked w/various subtypes of HPV
Keratoacanthoma
Rapidly growing epithelial lesion w/central core of keratin

Grows vigorously over 3 months and then spontaneously involutes

Excise if no resolution - small portion may progress to squamous cell carcinoma
Hemangioma
Local/generalized mass with vascular changes from capillary system

May involute or can be surgically excised if cosmesis or visual function impaired

Worse in children while crying

Blanch with pressure - distinguishes from Sturge-Weber syndrome

40% involute by age 4, 80% by age 8
Actinic Keratosis
Yellowish rough crusty lesions that bleed easily

PRE-MALIGNANT Lesion which may lead to squamous cell carcinoma

From overexposure to sun

Excise promptly

Appears similar to sebaceous keratosis which is benign but looks greasier
Squamous Cell Carcinoma
Deeply ulcerated lesion with elevated edges

May metastisize to lymph nodes

VERY dangerous

Destroys lashes, lid tissue

Radical excision

Second most common form of skin cancer after basal
Basal Cell Carcinoma
Most common malignancy of eyelid

Mostly 40-79 years old

Highest prevalence in Australia

Uncommon in dark-skinned populations

Assiociated with UV exposure

More prevalent in lower lid

"Classic" type - pearly borders, ulcerated center, variably pigmented

"Morpheic" type - highly invasive to local tissue

DOES NOT METASTASIZE

Photodocument, excise, Mohs procedure, 45% of developing again w/in 5 years
Nevus
Dermal - flat/raised, rarely progress

Junctional - flat, may progress to malignant melanoma

Hard to distinguish visually - both have distint borders and pigmentation varies
Malignant Melanoma
From pre-existing nevi or de novo

Uncommon but most deadly

Pigmentation variability w/in lesion causes suspicion
Kaposi's Sarcoma
At least 1/3 of AIDs patients

Pink to Dark Purple nodules or plaques

Surgery, Radiation, Chemotherapy

Rarely seen in non-HIV

Related to co-infection of HIV patients w/HSV
Staphylococcal Blepharitis
Hard, brittle scales - scurfs/collarettes

Hyperemia of lid margin

Chronic - madarosis, trichiasis, poliosis, tylosis ciliaris, may see ulceration when crusts removed if very severe

Can cause associated conjunctivitis, evidenced by papillary reaction

May see inferior PEK

C/O: FBS, crusting of lids especially in morning, itching, tearing, burning, plus any associated conjuncitivitis symptoms

Treatment: lid hygiene for almost all forms, azasite(macrolide) gtt BID, antibiotic ung - bacitracin BID-QID, polysporin BID-QID, erythromycin(macrolide) BID - QID, combo - tobradex(tobramycin and dexamethasone alcohol) 1 gt q 3-4 hours or ung at bedtime, if severe add orals - amoxicillin(penicillin) 250 TID, dicloxacillin(penicillin) 250 QID, erythromycin(macrolide) 250mg QID
Demodex in Staph Blepharitis
Thrives in sebaceous glands and hair follicles

Controversial as to what it does/causes

Treatment: metronidazole gel(MetroGel) - not FDA approved for ocular use - must inform, sodium sulfacetamide - high allergy rate
Seborrheic Blepharitis (MGD)
Oily flakes (epithelial cells/sebum) on eyelids and lashes

Usually associated with generalized seborrheic disorder such as acne rosacea or seborrheic dermatitis - may have oily skin, eyebrows etc...

S/S: much greasier scales/flakes, often associated w/other MGDs, complain of BURNING as primary symptom in all forms of MGD
Meibomianitis (Posterior Blepharitis) (MGD)
Stagnation/Solidification of Meibomian secretions

Scattered Involvement - "secondary"

All Glands - "primary"

S/S: Thick creamy material when expressed from capped glands, thickened red lid margins w/oily texture, reduced TBUT, seborrheic bleph inevitebly present
All MGD Treatment
Lid Hygiene

AT Liberally after hygiene procedures

orals - doxycycline(tetracycline) 100mg BID first day then 50-100 QD for 21 days), use azasite(macrolide)(off-label) for pregnant women 1 gt BID could use smaller dose for maintenance of oil secretion, tetracycline 250mg QID

Co-managed with PCP for systemic disease (acne rosacea) - need topical and/or oral steroids in addition

Shampoo for seborrhea

Topical - Restasis (cyclosporine A) to treat chronic MGD as option to steroids in rosacea
Angular Blepharitis
Usually caused by Moraxella or Staph

S/S: chronic hyperemia, desquamation, ulceration of lateral/medial canthal regions

C/O: redness, tenderness

Treatment: zinc sulfate ung, erythromycin(macrolide) ung BID-QID
Internal Hordeolum
Bacterial infection of meibomian glands

Almost always staph

Hurts b/c rigic tarsal plate has to conform

May be associated with preceptal cellulitis

More common in upper lid

C/O: pain, warm sensation, may have PAN

Treatment: hot compress alone BID - QID for mild - watch for spread b/c of heat, orals - dicloxacillin(penicillin) 250mg QID, amoxicillin(penicillin) 250mg TID, or erythromycin(macrolide) 250 QID (topicals don't reach lesion), surgery for resistant cases (done after lesion is quiet)
External Hordeolum (Stye)
Acute staph infection of Zeis or Moll glands, at lid margin, may have yellow point on it

C/O: acute and recent onset

Treatment: usually drain w/o assistance within 3-4 days of "pointing," hot compress may hasten, can punture and drain then apply gentamicin(aminoglycoside), plucking infected lash could clear it out
Chalazion
Sterile, chronic, lipogranulomatous inflammation of meibomiam gland due to abnormal retention of normal secretions, spontaneous or after internal hordeolum infection

Hard, immobile, nontender lump, can point to external lid surface or inwards

Treatment: 25% resolve over 6 months, for new small lesions hot compress QID for 4-6 weeks, steroid injection - Kenalog-10(injected on inner lid b/c of scarring and discoloration), resistant lanced and drained, antibiotics dont work

Recurrent could be sebaceous cell carcinoma
Preseptal Cellulitis
Anterior eyelid infection, in front of orbital septum

Usually Strep or H.Flu (especially kids)
Staph more common in adults

Arises from pre-existing infection such as dacryocystitis, conjunctivitis, internal/external hordeolum

Penetrating lid injury is another route

S/S: lid is red, swollen, painful, warm, may have PAN, fever with H.flu

Treatment: staph - amoxicillin(penicillin) 250mg to 500mg TID, dicloxacillin(penicillin) 125mg to 250mg QID, H.flu - 3rd gen. cephalosporin, warm compress once antibiotics start, hospitalized if meningitis suspected(high fever, stiff neck), blood cultures

**MUST differentiate from orbital cellulitis - life threatening and arises from sinusitis...orbital ALSO has proptosis, limited EOM, extreme pain, obliteration of LC, decreased VA, APD
Acute Bacterial Conjunctivitis
Red eye, tearing, FBS, mucopurulent discharge in lower fornix, papillae, usually one eye first then spreads to other

Usually diffuse injection, chemosis present but not profound, usually uncomfortable (NOT painful)

Lids may be "matted shut" in morning(single-most accurate predictor)

Most infectious material drains through nasolacrimal duct so PAN usually not present (too big for blood/lymph system)

Acute bacterial keratoconjunctivitis more painful

Treatment: if mild combo, tobradex gt q 3-4 hours or zylet gt q 4-6 hours, w/significant corneal staining use broad spectrum QID, polytrim(trimethroprim and polymixin B) 1 gt q 3 hours, ciloxan(fluoroquinolone), ocuflox(fluorquinolone), zymar(fluorquinolone), vigamox(fluoroquinolone) TID, azasite(macrolide) BID for 2 days then QD for 5 days,

If cornea at risk, DO NOT use steroid on first day, wait and see if antibiotic improves
Chronic Bacterial Conjunctivitis
Four or more weeks

Staph Aureus most common

May have additional chronic infectious/inflammatory signs(phylctenules usually at 4 and 8 or 10 and 2, infiltrates, bleph)

If significant corneal involvement - chronic bacterial keratoconjunctivitis (causes more discomfort/pain)

Treatment: treat associated disorders (especially bleph), antibiotic with good gram+ coverage, polytrim(trimethoprim and polymixin B) 1 gt q 3 hours, bacitracin ung q BID-QID
Hyperacute Conjunctivitis
Almost always caused by Neisseria
Gonorrheae (gram-diplococcus)

Genital-hand-eye contact

SEVERE copious mucopurulent discharge, lid edema, A/C reaction, PAN, HOT eye

Treatment: 1 dose IM ceftriaxone 125mg(cephalosporin), 1 dose IM 1g Spectinomycin, co-treat for chlamydia(zithromax - macrolide - 1g), topical prophylaxis (good opportunity for fungal infection)
Neonatal Conjunctivitis
Treatment: erythromycin oral(macrolide) BID-QID, bacitracin BID-QID, polysporin BID-QID, polytrim 1 gt q 3 hours
Bacterial Keratitis w/Ulceration
Most of all cases are bacterial

Epithelial defect over thick stromal infiltrate w/edema surrounding, A/C reaction, pain, photophobia, blurred vision, tearing, PLUS all other keratoconjunctivitis findings

Mostly CL wearers, predominantly extended wear (hypoxia -> infiltrates -> epithelial breakdown -> opportunity for bacteria - pseudomonas usually)

Cornea swells more overnight in CL wearers

Contaminated CL solutions/medications, decreased immune response from other diseases, dry eye syndrome, recurrent eye disease(HSV), chronic desease(dacryocystitis, canaliculitis, bleph), prior surgery/trauma, trichiasis, corneal exposure, corneal edema/bullous keratopathy, collagen-vascular disease, other mucous membrane disorders, VITAMIN A DEFICIENCY, hospitals can all be risk factors

Treatment: remove CL till cleared, lavage purulent material, broad-spectrum, 4th gen. fluoroquinolones - vigamox LOADING DOSE - 1 gt q 5 mins. for one hour, then 1 gt q hr for 24 hours then q 2 hours, same for zymar, besivance LOADING DOSE 1 gt q15min. for 1 hr, 1 gt q hour hour, 2 gtt overnight (NOT FDA approved for ulcers but approved for conjunctivitis - must inform), 2nd gen. fluoroquinolones (FDA approved for ulcers) - ciloxan, 2 gtt q 15 min for 6 hours then 2 gtt q 30 min for 18 hours, ocuflox 1 gt q 30 min while awake and twice overnight, can alternate; tobramycin 1 gt q hour and cefazolin 1 gt q hour (drop every 30 min around the clock), reduce inflammation w/COLD compress BID-QID no more than 15 min at a time, cycloplege to reduce pain and seal up leaky vessels and also reduce potential for iris-lens adherence(posterior synechiae), doxycycline (use azasite for females on birth control) optional - reduces collagenase, could use corticosteroids if improvement DEFINITE, NEVER used first day

Could taper treatment given the right signs...blunting of perimeter etc..

Stain every day and do VA and pupils first(vision often worse next day but will feel better)
Adenovirus
Most frequent cause of infectious conjunctivitis

Serotype 19 most common

1-11, 19 primary cause of NON-SPECIFIC follicular conjunctivitis

S/S: Follicles in lower fornix, serous discharge, conjunctival chemosis, acute onset of pink eye, starts with one eye then spreads to other, swollen red lid possible, PAN expected, often history of URTI or close contact with URTI
Simple Adenovirus
S/S: Follicles in lower fornix, serous discharge, conjunctival chemosis, acute onset of pink eye, starts with one eye then spreads to other, swollen red lid possible, PAN expected, often history of URTI or close contact with URTI

Treatment: LIMIT SPREAD - wash hands (preferred to gels b/c they kill normal flora also), don't share bedding or towels, discard tissues cloths, discard CLs, discard cosmetics
SUPPORTIVE - AT, vasoconstrictors, NSAIDs, Betadine (non-selective - toxic), cool compress
Epidemic Keratoconjunctivitis (EKC)
Caused by serotypes 8,19,37

HIGHLY CONTAGIOUS

More extreme S/S

Rule of 8's:
Days 1-7 = incubation
Days 8-16 = active infection, PAN VISIBLE, huge follicles, severe chemosis
Day 16+ = SEIs, no longer contagious

Acute onset (one eye then both), significant discomfort - PAIN, follicles, petechial hemorrhages, chemosis, PAN, pseudomembranes probable, PEK, SEIs late (lots centrally - lymphocytes, not PMNs because not bacterial)

Treatment: Supportive, prophylactic gtt when PEK present (almost always) - Polytrim q3h (ONLY USE PROPHYLACTIC DOSE REGARDLESS OF SEVERITY), combo discouraged because SEIs will resolve then rebound aggressively, if steroid necessary because of severe symptoms and reduced VA, use combo first, then steroid ONLY and taper for 8-12 weeks - if SEIs, could use betadine also with steroid (no longer than 4 days)
Acute Hemorrhagic Conjunctivitis
BLOODY

Follicular and caused by enterovirus, coxsackievirus

Prominent subconjunctival hemorrhages (DOES NOT ALWAYS MEAN VIRAL-BACTERIAL POSSIBLE) with follicles, BILATERAL ONSET

Incubation is less than a day, symptoms 3-5 days

No corneal or systemic involvement

HIGHLY CONTAGIOUS

Self-limiting

Treat supportively
Molluscum Contangiosum
Follicular (secondary) conjunctivitis in association with lid lesion (primary)

Conjunctival reaction is immune response to pox-virus particles contained in lid lesion

If lesion removed, conjunctivitis will resolve on its own

Treat supportively in meantime

Check for immunocompetence
Parinaud's Oculoglandular Conjunctivitis
TREAT SYSTEMIC CONDITION

Can cause follicular conjunctivitis

Ipsilateral lymphadenopathy, fever, granulomas, CAT SCRATCH disease

Hot compress nodes, gentamicin ung. or bacitracin ung. q2h, analgesics PRN

TARGETED LAB WORK
Herpes Simplex (Overview)
Double stranded DNA virus

MOST COMMON CAUSE OF CORNEAL OPACIFICATION/CORNEAL BLINDNESS IN DEVELOPED COUNTRIES

HSV-1 and HSV-2

Enters body through mucosal surfaces, replicates in cell nucleus, then kills host cell

Primary (first) Infection: between 6 months and 5 years old (systemic), infects peripheral end organ (eyelid), then the virus travels to ganglia (especially trigeminal and cervical) where it may become latent, self-limited and not destroyed by immune system - transmission via resp. droplets (1) or direct transmission (1 & 2)

Reactivation: latent virus reactivates due to immunocompromise, steroids, UV, stress, fatigue, irradiation, trauma, surgery, fever - reaccurs in 25-50% of patients, usually within 5 years of primary infection(WHERE OUR CLINICAL OCULAR DISEASE IS SEEN)

Genital and Gingivostomatitis disease

Most adults have the antibodies (80%) but only 20-25% manifest disease
70-90% adults seropositive for HIV-1 (DELAYED ONSET NOT A GOOD THING)
22-25% adults seropositive for HSV-2
HSV-1 highest incidence in kids 6 months - 3 years
HSV-2 highest 18-25 years old
HSV-1 genital infection rapidly rising
HSV-2 antibodies present in 20% Caucasians vs. 65% African Americans
HSV-2 more likely in females
HSV-2 recurrence 20% more likely in males
Only small % of seropositive people report a hx of genital lesions
Fastest rise in infection in young white patients

Blepharitis, Canaliculitis, Conjunctivitis, Keratitis, Uveitis, Retinitis, Encephalitis
Herpes Simplex Blepharitis
Most likely at time of primary infection

VESICULAR LESIONS later become PUSTULAR LESIONS

Pustules eventually break and ulcerate

Usually resolves in a week without scarring

Usually first manifestation of disease but patients don't seek care

Self-limiting, not always perceived as "eye-problem"

If close to lid margin could prophylax w/Viroptic QID, could possibly prophylax over pustules but not necessary
Herpes Simplex Conjunctivitis
Follicular (indistinguishable from simple adenoviral and other viral disease in absence of corneal involvement)

Moderate to severe

May have pseudomembrane formation

May stand alone or accompany blepharitis, keratitis, uveitis etc...

Any case of recurrent follicular conjunctivitis, even without a history of prior herpes infection, should be regarded with suspicion for HSV
Herpes Simplex Keratitis (Epithelial)
Most common INITIAL eye manifestation seen in office (although blepharitis may have preceded but gone undiagnosed)

Epithelial lesions represent active HSV replication within epithelial cells - tiny vesicles form within the epithelium

Usually unilateral

Redness, pain, photophobia, tearing, FBS, reduced VA, hypoesthesia

Dendritic, branches/linear stain with NaFl (b/c these cells are gone) - percolation of fluorescein in the area surrounding the dendrite is common "end bulbs" stain vividly with Rose Bengal (these cells are dead/dying)
Lissamine green does not seem to posses similar staining patterns for HSV

DON'T USE PROPARACAINE FIRST BECAUSE COULD CAUSE SPK - PARADOXICAL FINDING

MAY PRESENT AS PEK - must distinguish bacterial from viral (follicles, serous discharge, PAN etc...)

Geographic ulcers are larger areas of epithelial loss: May generally follow original dendrite pattern

Postinfectious/Metaherpetic Ulcers - persist after active herpetic infection and represent non-healing epithelium in the absence of viral replication
Herpes Simplex Keratitis (Neurotrophic Keratopathy)
Arises from impaired corneal innervation, combined with decreased tear formation, toxic effects of meds, and possibly trace amounts of HSV virus replication w/in the persistent epithelial defect

Oval-shaped corneal ulcer in presence of decreased corneal sensitivity - hemidesmosomes and desmosomes need innervation to stay connected

No infiltrate, no discharge, treat prophylactically - "STERILE ULCER"
Herpes Simplex Keratitis (Stromal Disease - Interstitial Keratitis)
IK = Immune stromal keratitis

Often from chronic, recurrent ocular HSV

Antibody-complement cascade reaction to retained viral antigen within stroma

Infiltration, immune rings, ghost vessels, AC reaction common - may be significant, associated with other ocular inflammation (uveitis, trabeculitis, secondary glaucoma), could present as dense edema, could be disciform

Necrotizing Stromal Keratitis

Dense stromal infiltrate, ulceration (DEEP - epithelium intact), AC, necrosis, thinning or perforation, inflammatory response to viral antigen and viral replication within stromal keratocytes, could be associated with other ocular inflammation - uveitis, trabeculitis, secondary glaucoma

COULD HAVE REDUCED VA

DON'T USE AMINOGLYCOSIDES
Herpes Simplex Keratitis (Endotheliitis)
KP's (keratic/keratitic precipitates WBCs from iris that land on back of cornea) with epithelial and stromal edema overlying (DISCIFORM AREA COMMON)

NO INFILTRATE

Uveitis usually present

Immune reaction to viral antigens - active viral replication?

DIFFUSE, DISCIFORM, LINEAR
HZ Blepharitis
Dermatologic manifestation - PRIMARY IDENTIFYING SIGNS OF ZOSTER OPHTHALMICUS, may experience tingling in this area prior, then active phase involved pustules which eventually break/ulcerate - look like open sores or scabs on face on one side, this phase can last days to weeks

Well-circumscribed, erythematous, maculopapular skin eruptions following dermatomes

Prophylax with antibiotic ung (don't have to)

Small, tense, painful vesicles develop within 12 to 24 hours which break, crust, and heal (scar)

Lasts between 7-10 days

May become disseminated

All S/S follow specific dermatome

V1 will effect tip of nose (Hutchinson's Sign - nasociliary branch of V1) - this suggests high probability of ocular involvement and poorer prognosis for complications - called Herpes Zoster Ophthalmicus
HZ Conjunctivitis
Follicular, indistinguishable from other types of viral/follicular disease Chemosis and hyperemia may be profound

Usually not most impressive feature of illness
Neurotrophic Keratitis
Possible sequela to HZV infection, result of damage to corneal nerves, which are critical for epithelial integrity Treated with aggressive lubricant therapy at a minimum – may require surgical intervention
Simple Allergic Conjunctivitis
Papillae in upper palpebral conjuntiva (have central blood vessel), chemosis, ITCHING (MOST IMPORTANT COMPONENT), injection which is usually less intense than with infectious disease, dishcharge may be watery with mucin strands (ROPY/STRINGY), can have eczema on lids

SIMPLE/SEASONAL USUALLY DOESN'T CAUSE CORNEAL EFFECTS - don't use antibiotic, even in combo (overtreating)
Vernal Keratoconjunctivitis
HORNER-TRANTAS DOTS (limbal papillae made of up degenerated eosinophils), GIANT COBBLESTONE papillae, INTENSE ITCHING, protective ptosis, SHIELD ULCER possible (b/c of rubbing) - in this case use prophylactic antibiotic and MUST use steroid - special case, ulceration can become bacterially infected and have discharge - NOW SWITCH TO KERATITIS TREATMENT, seasonal (warm months), young males

Vernal w/o ulcer - steroid (pulse - alrex), antihistamine/mast cell (Pataday - DON'T HAVE TO)

Vernal w/ulcer w/o discharge (non-infected) - steroid (pulse), antihistamine/mast cell (Pataday), prophylax, cycloplege

Vernal w/ulcer w/discharge - steroid (pulse) (NOT Tobradex), antihistamine/mast cell (Pataday), antibiotic, cycloplege, cold compress (don't rub)

IN ALL CASES REMOVE CL, no bandage contact lens
Atopic Conjunctivitis
Identical presentation to vernal

Year-round

Males > Females
Giant Papillary Conjunctivitis
a.k.a CL-related conjunctivitis - usually soft, not rigid

Itching worse with CL than without

Switch brands, wear less, remove, switch to peroxide-based solution, switch to RGPs

Poor lens fit, transient vision blur, mucin strands in tear film, injection, chemosis, large papillae on upper palpebral conjunctiva

If severe use pulse and antihistamine/mast cell
Allergic Conjunctivitis Treatment
Eliminate allergen
Desensitization
Cool compress
AT

Vasoconstrictors - Naphcon (be cautious of patients with narrow angle glaucoma), Visine - usually a poor choice, warn patients about rebound effect

Vasoconstrictors/antihistamine combo - Naphcon-A QID, many OTCs

Antihistamines - Emadine (also used for lid myokymia) (emedastine 0.05%) QID, 3+, very powerful and fast acting

Antihistamines/Mast cell stabilizers (MOST COMMONLY USED - 3+) - Patanol (olopatadine .1%) BID, Pataday (olopatadine .2%) QD, Bepreve (2+) (bepotastine besilate 1.5%) BID, Elestat (epinastine .05%) BID, Optivar (azelastine .05%) BID
OTCs (good for patients w/o insurance)= Ketotifen fumarate .025% BID (3+), Alaway (MOST COMMONLY USED TO TREAT ALLERGIC CONJUNCTIVITIS), Refresh, Zaditor, Claritin Eye

Topical NSAIDs - Acular QID, 3+, not used because it burns

Oral antihistamines - MAY EXACERBATE DRY EYE

Mast cell stabilizers - POOR CHOICE, AVOID - Alomide (lodoxamide tromethamine .1%) QID, Alocril (nedocromil 2%) BID - BEST CHOICE, Crolom (cromolyn 4%) QID, Opticrom (cromolyn 4%) QID, Alamast (pemirolast .1%) QID for a week then BID

For more serious cases (vernal), "PULSE" of steroid along with mild tx like antihistamine - Alrex q hour today, q2h tomorrow, q4h for two weeks, Pataday QD today continue long term
Simple Episcleritis
Normal episclera - radiating vascular pattern, susceptible to any collagen-vascular or connective tissue-based disease

More common (80%), acute, wedge-shaped sectoral involvement, mild to moderate discomfort - NOT PAINFUL, interpalpebral area, causes overlying conjunctival injection and chemosis, deep episcleral vessels won't blanch with vasoconstrictors but superficial will (still can't use to distinguish between conjunctivitis and episcleritis/scleritis), VA not affected, palpebral conjunctiva looks normal

More common in women b/c of associated system conditions, usually unilateral, no discharge, no AC reaction, no corneal involvement, often no cause found - could be fatigue, stress, sleep deprivation

Associated diseases: rheumatoid arthritis (MOST COMMON), lupus, HZV, lupus, giant cel arteritis, TB, syphilis, gout, lyme disease, sarcoidosis, polyarteritis nodosa, thyrotoxicosis
Nodular Episcleritis
Inflamed yellow/clear nodules near limbus - inflammatory cellular infiltrate (usually more mediators) - may be multiple, less common, symptoms more severe but similar in nature, longer course, longer treatment, no corneal involvement, sometimes mild AC, same systemic associations
Episcleritis Treatment (Both forms)
Optional and based on symptoms - start small

Vasoconstrictors - just appearance
NSAIDs - discomfort
Mild steroids - appearance/discomfort
Strong steroids - people with low discomfort tolerance
Oral NSAIDs

If more than 3 recurrences, systemic workup
Scleritis
More common in women, more commonly bilateral, higher association with systemic disease than episcleritis, SEVERE PAIN (could be only indicator to differentiate from episcleritis)

Pain may radiate to jaw and sinuses and temple, can cause overlying episcleritis and conjunctival injection, vasculature has reddish-purple-blue coloration, many recurrences

Palpebral conjunctiva looks normal

Complications: uveitis, glaucome, keratitis, vision loss, retinal detachment, ONH involvement
Diffuse Anterior Scleritis
Most common form, may be wedge-shaped, diffusely distributed, may affect entire anterior sclera, only 9% of patients have VA affected (least), deep and superficial vessel engorgement, PAIN, no nodules, no necrosis
Nodular Anterior Scleritis
Second most common, one or more immovable nodules (b/c in sclera) with adjacent edema and injection, sclera may transparent below nodule, no necrosis, 25% have associated VA loss

Could see choroid after resolution
Necrotizing Anterior Scleritis
LOCAL, very painful, acute congestion of vessels which become distorted or occluded (walls touch), underlying sclera becomes transparent and necrotic, may perforate, MOST SERIOUS FORM BECAUSE OF VISION LOSS AND NECROSIS, 50% have associated vision loss, high association with rheumatoid arthritis

Could see choroid after resolution
Scleromalacia Perforans (sub-type of Necrotizing Anterior)
Really a sub-type of necrotizing anterior scleritis

Least common form of anterior scleritis

MINIMAL TO NO SYMPTOMS - NO PAIN

Melting of episclera and sclera from necrotic vascular occlusive process

Underlying uvea could be totally exposed

Nerves could be involved
Posterior Scleritis
Usually unilateral

Difficult diagnosis - posterior sclera is inflamed but hidden from direct view

Quite painful - 10

MRI, ultrasound to diagnose

Retina could be misshaped
Scleritis Treatment
Targeted workup mandatory if not diagnosed already

Topical steroids - Pred Forte q1h, then taper

AND

Oral NSAIDs/ oral steroids/ oral immunosuppressives

Co-manage

Sclera can regenerate itself, do grafts if large involved AFTER inflammation controlled
Congenital Disorders
Discovered at birth

NOT NECESSARILY HEREDITARY

Can be chromosomal, teratogenic, environmental

Some may not be discovered until adulthood

MOST IMPORTANT ASPECT IS WHICH LAYER IS AFFECTED
Corneal Arcus
Corneal degeneration

Grayish white or yellow deposits, made up of fine dots, separated from the limbus by a clear interval .2 to .3mm wide

Occurs initially inferiorly, then superiorly, circumferentially in later stages

Sharp peripheral (outer) border and diffuse central border

Incidence increases with increasing age in otherwise healthy patients; men and blacks develop arcus before women and whites

Often associated with hyperlipidemia if seen in patients less than 30 to 40 years old - and remember demographics also

Refer at-risk groups for lipid profiles
Calcific Band Keratopathy (Band K)
Corneal degeneration

Result of several inflammatory and degenerative conditions, and is not itself a specific entity in most cases

In superficial stroma

Most commonly seen after chronic uveitis, chronic glaucoma, corneal edema, elevated serum calcium
also

Usually begins near limbus at 3/9 as a grayish haze at Bowman's layer with sharp peripheral border - separated from limbus by a clear zone

"Swiss Cheese" appearance from gaps in haze, probably where nerves pierce Bowman's

As disease progresses, bands progress centrally and become more chalky-white

Seen only in interpalpebral zone, presumably from evaporation of tears (if lower, probably arcus)

Treatment - none unless VA decreased or mechanical irritation, in which case Chelation with EDTA - remove epithelium, apply EDTA in drop form, let heal - can also try manual scraping of deposits, PTK may be most useful when combined with EDTA and/or lamellar keratoplasty in severe cases
Adult Inclusion Conjunctivitis
Caused by Chlamydia Trachomatis (TRIC)

STD - usually new sex partner within 1-2 months

Incubation is 5-12 days

Acute follicular (large - usually on bulbar conjunctiva and in caruncle - and also more inferior) AND papillary conjunctivitis with scant mucopurulent discharge, often described as "STICKY," mild PAN possible, may have SEI's and mimic EKC, monocyts and neutrophils, chronic red eyes non-responsive to traditional therapy should prompt investigation, females usually unaffected genitally, or couuld have UTI-like symptoms (could eventually cause pelvic inflammatory disease)

NEONATE HAS NO FOLLICLES, HAVE RED, SWOLLEN LID

Treatment: azithromycin 1g QD x 1 dose, or doxycycline (has anti-inflammatory properties too) 100mg BID 1st day then 100mg QD x 21 days (alternate is tetracycline 250mg QID x 21 days - DO NOT GIVE THE CYCLINES TO KIDS UNDER 8 OR IN PREGNANT/LACTATING MOMS), or erythromycin 500 QID x 21 days

CO-MANAGE WITH GYNECOLOGIST/UROLOGIST & TEST SEX PARTNERS
Trachoma
Caused by Chlamydia Trachomatis (TRIC)

Underdeveloped countries, rarely in US, MOST COMMON CAUSE OF PREVENTABLE BLINDNESS OR DECREASED VISION IN THE WORLD, transmitted eye to eye via flies

Follicular hypertrophy occurs first (upper/lower palpebral conjunctiva, limbus), papillary response associated with obliteration of follicles, photophobia, tearing, mild mucopurulent discharge, ARLT'S LINE - represents superior tarsal horizontal conjunctival scarring and leads to entropion, trichiasis and mucin-deficient dry eye from goblet cell destruction; punctal stenosis possible secondary to scarring but isn't enough to combat dry-eye symptoms, superior SPK, pannus, edema, HERBERT'S PITS - scarred limbal follicles, small depressions around limbus - DIAGNOSTIC

Stages:
1) Incipient: immature follicles on superior tarsus with minimal papillary hypertrophy, may see early SPK or pannus

2) Florid/Established: 2a=Follicular hypertrophy - superior tarsus has predominance of mature follicles, large, soft, liable to rupture under pressure, limbal follicles, pannus, corneal SEI's; 2b=Papillary hypertrophy - intensification of the inflammatory response with obliteration of follicles by papillae, necrosis of follicles

3) Cicatrizing Trachoma: beginning of scar formation, Herbert's pits, Arlt's line begins to form, entropion/trichiasis may form

4) Healed: inflammation resolved, replaced by scar tissue, no follicles/papillae, no SEIs, could have corneal involvement from secondary bacterial keratitis which may lead to blindness and results from corneal insult via trichiasis/scarring

Treatment: same as adult inclusion conjunctivitis
Neonatal Inclusion Conjunctivitis
Chlamydia is leading cause of neonatal infectious conjunctivitis in the US

Incubation of 5-14 days

Papillary response only, mild/moderate mucopurulent exudate, lid edema, chemosis, pseudomembranes, can cause pneumonitis

Treatment: erythromycin 50mg/kg/day divided into 4 doses x 10-14 days, NO CYCLINES!!, can add erythromycin ung also adjunctively, a second course of treatment is often required b/c e-mycin is not 100% effective

Prophylaxis is standard now with erythromycin
Toxic and Irritative Follicular Conjunctivitis
Caused by long-term use of certain ocular medications, particularly strong miotics, also seen as a toxic response to heavy makeup use, environmental irritants, radiation, soaps, hypersensitivity reaction...CHECK HISTORY

May be minimal mixed papillae and follicles

Usually UNILATERAL

Treatment: switch ocular medications, remove antigen, AT for supportive therapy
Superior Limbic Keratoconjunctivitis
Chronic/recurrent inflammation of the superior palpebral and bulbar conjunctiva and cornea (10-2)

Disease course may last several months to years

Etiology unknown (associated with dry-eye, thyroid disease) but is thought to result from repeated microtrauma of the superior bulbar conjunctiva which is abnormally lax, tight upper lids, SCL wear (remove), prominent globes (like in thyroid disease)

Marked hyperemia, thickening, general irritation of superior conjunctiva and cornea, abnormal densities of goblet cells and abnormal limbal epithelial cells, MAJOR DIAGNOSTIC SIGN IS RB STAINING OF ENTIRE ARE INVOLVED - also LG, usually BILATERAL and ASYMMETRICAL, symptoms usually more severe than would be predicted by clinical picture - FBS, photophobia, pain, filaments

Treatment: in order of mild to severe - AT, punctal occlusion, steroid pulse
- acetylcysteine drops (mucolytic - not commonly used)
- cromolyn sodium drops
- mast cell stabilizers
- .5% silver nitrate causes sloughing of conjunctiva which may grow back normally
- BSCL
- thermal cautery of conjunctiva (sloughing)
- surgical conjunctival resection with or w/o amniotic membrane graft/transer

DON'T USE ANTIBIOTIC - CORNEA USUALLY NOT SIGNIFICANTLY STAINED
Ocular Cicatricial Pemphigoid
A type of systemic-associated conjunctivitis

Chronic autoimmune disease characterized by scarring of the mucous membranes (conjunctiva, soft palate, nasal mucosa, genito-urinary system, esophagus, skin)

Average age of onset is 65 years, females>males, 70-75% have ocular involvement, first sign is usually chronic, recurrent unilateral conjunctivitis, scarring, perivasculitis, squamous metaplasia, loss of goblet cells, waxes and wanes

Stage 1: subepithelial fibrosis
Stage 2: fornix foreshortening
Stage 3: symblepharon - eyelids adhere to eyeball
Stage 4: ankyloblepharon (eyelids adhere to each other) and surface keratinization - eye becomes immobile

Dry eye present in late disease

Vision is lost from keratopathy, corneal neovascularization, corneal ulceration and scarring

FIRM DIAGNOSIS REQUIRES IMMUNOHISTOCHEMICAL CONFIRMATION PRIOR TO INITIATING TREATMENT

Treatment - Non-preserved AT aggressively, topical retinoid ung (vitamin A) - helps goblet cells, treat chronic bleph aggressively with lid hygiene, oral doxycycline, topical antibiotics, chemotherapy for active and rapidly progressive cases - prednisone (always start with steroids) 1mg/kg/day, eventually tapered over 8-16 weeks, cyclophosphamide, for cases that are less active and not rapidly progressive - prednisone, dapsond

REFER TO RHEUMATOLOGIST FOR IMMUNOSUPPRESSANTS/CO-MANAGE, REFER TO OPHTHALMOLOGIST FOR SYMBLEPHARON REMOVAL
Stevens-Johnson Syndrome
a.k.a Erythema Multiforme

Can appear clinically similar to OCP, but is not relentless and progressive, occurs idiosyncratically in some patients, and is seen as mucosal inflammation in response to the administration of various drugs or following systemic infectious disease

During acute phase, patient may appear to have a severe pseudomembranous conjunctivitis, following resolution, fibrosis of the conjunctiva with associated entropion and trichiasis may be present, may have predisposition to autoimmune disease

Can remove antigen and will resolve

Treatment - aggressive topical steroids - pred forte q1h, and refer to ophthalmologist from scar tissue removal
Ocular Rosacea
Seen in patients with acne rosacea

General increase in lipid secretion

See hyperemia of lid margins, FBS, BURNING, recurrent chalazia

Treatment - doxycycline 100mg BID first day, 50-100mg QD for 21 days, or tetracycline 250mg QID, or retinoic acid
Psoriasis
Affects 1-2% of population, average age of 28

Hyperproliferation of keratinocytes in epidermis

Conjunctiva usually shows non-specific inflammation, chronic in nature, and is almost always associated with eyelid margin involvement

Plaques seen in this disorder can extend onto the conjunctiva and cause scarring, which can be confused with phlyctenulosis

Bleph can take the form of redness, edema, and skin plaques

Treatment - supportive, also systemic treatement
Subconjunctival Hemorrhage
Red/pink lesion

Subconjunctival blood from breaking of small capillaries

Caused by hypertension, bleeding disorders, valsalva maneuvers, trauma, aspirin overuse, some forms of conjunctivitis, idiopathic (MOST COMMON) - CHECK HISTORY

Similar to bruise under skin, may involve entire globe

Treatment - none, can use alternating hot and cold packs as frequently as possible but not more than 10 minutes - cold for first 24 hours then hot after - still alternate, if you have to choose one do cold, usually resolves within 2 weeks, changing colors rather dramatically during resolution, consider full medical evaluation if recurrent
Capillary Hemangioma
Red/pink lesion

Raised broad-based conjunctival vascular mass - benign

More commonly seen in inner canthus or in fornix

Usually congenital, or first appear in young years, may enlarge with age, and are worse if child is crying

The only concern is cosmesis, may be excised or cauterized if treatment is desired - refer

MAY NEED TO DISTINGUISH FROM KAPOSI'S IN ELDERLY
Kaposi's Sarcoma
Bright red/purple masses and hemorrhages

Tumor of endothelial origin, associated with AIDS, probable herpes virus association, if mucous membranes are involved (conjunctiva) usually means a later manifestation of AIDS

18% of KS patients have conjunctival tumors

Treatment - radiation, or topical IFN a2b with or without IFN injections, refer for biopsy
Lymphoid Tumors
Light pink/salmon-colored

May be benign ("benign reactive lympoid hyperplasia") or malignant ("lymphoma")

May appear in bulbar conjunctiva, FLESHY

MUST EXCISE ALL SUSPECTED LYMPHOID TUMORS AND BIOPSY TO DETERMINE IF BENIGN OR MALIGNANT (CLINICALLY INDISTINGUISHABLE)

Refer to ocular oncologist
Concretions (Lithiasis)
Small white/yellow calcium deposits usually 1-3mm in size

May be in upper or lower palpebral conjunctiva, patient usually asymptomatic, but if causes irritation (FBS) can cut and remove, single or multiple, common

Only refer if serious problem for patient
Retention Cysts
Fluid-filled cysts, usually clear, seen anywhere in conjunctiva, vessels under look magnified

May be lymphatic fluid or with secretions from glands of Krause and Wolfring

Usually asymptomatic, if they are treated by draining, they usually refill with several days

If recurrent and symptomatic, refer or surgical excision of entire gland involved
Pinguecula
Hyperplasia of conjunctival tissue, probably in response to some environmental irritation, usually seen on sun-exposed areas of bulbar conjunctiva

Usually asymptomatic, may become inflamed, may be a cosmetic concern, may cause corneal dellen (area of non-wetting)

Treatment - lubricants/decongestants (to help shrink vessels on pinguecula), use protective wear, rarely may surgically excise (if dellen, excise)
Pterygium
Basophilic degeneration of bulbar conjunctival stroma which invades the cornea, most nasal

Triangular or wedge-shaped fleshy mass with the apex pointing towards center of cornea

Usually see an iron line preceding growth pattern (Stocker's line - only associated with Pterygium)

Often become inflamed/irritated, if this occurs, treatment is the same as for pinguecula

Ultimately will require surgical excision when expands to 2mm before pupil border, if surgery alone up to 67% will recur - conjunctival sliding flap procedure is best option
Dermoid Cyst
Congenital tumors from mesoderm and ectoderm (dual origin), not malignant, primarily composed of collagen

Raised circumscribed white to pale yellow lesion, usually located in inferior temporal limbal area

May have hair associated with lesion, may involve cornea, conjunctiva, sclera

Usually don't enlarge, but excise if cosmesis a problem
Axenfeld's Loops
Blue/Black ciliary nerve loops on scleral surface, usually seen near limbus - pigment due to blood vessels/nerves going through wrong layers (bring pigment with them)

Generally no symptoms involved, no treatment necessary, anatomical variation only
Nevus of Ota
Congenital subepithelial melanosis, appears blueish in color because the pigmentation is in the dermis rather than the epidermis

Appear along first and second division of cranial nerve V

Overall rare, but relatively more common in Japanese patients than other races

Approximately 4% of these patients will develop melanoma, so patients should be followed (photodocument) annually for changes
Conjunctival Nevus
Usually congenital, or develops in early years

Smooth, flat surface lesions with well-circumscribed edges, may see clear (most likely benign) cysts within lesion, more common nasally

Treatment - photodocument, refer for biopsy if lesion enlarges or shows threatening changes (ulceration, hemorrhage, change in pigmentation, feeder vessels), may grow more during puberty but still follow
Melanosis
1) Primary Acquired Melanosis (PAM) - spontaneous development of irregular diffuse flat patches of conjunctival pigmentation

Usually appears between ages of 30 and 40, asymptomatic except for cosmesis, up to 15% may develop malignant melanoma with highest percentage of conversion in choroidal melanoma

May disappear over 1-3 years

Treatment - photodocument, refer for biopsy if suspicious, follow closely at first diagnosis (q 3-6 months)

2) Racial Melanosis - dark skinned patients often have bilateral patches of pigment clustered in the interpalpebral and peri-limbal areas, these are stable throughout life and no reason for concern

Lighter skinned more likely to be cancerous
Conjunctival Malignant Melanoma
Pigmented lesions which may resemble benign melanosis or nevus, may be de novo or in areas of previous benign pigmentation

Males=females

May be multiple lesions (more suspicious)

Treatment - photodocument any patient with acquired pigmented lesions (or at first diagnosis if onset unknown) and follow q3-6 months, refer for biopsy/excision at first signs of threat, can spread to adjacen tissues

Note: primary ocular melanoma is rare - almost always associated with Dysplastic Nevus Syndrome (DNS), which is a disease in which MANY nevi form on both covered and non-covered (sun-exposed) areas during the life span of patient, DNS has autosomal dominant inheritance pattern, the lifetime risk in a patient with DNS of developing cutaneous melano is nearly 100%

COULD ALSO BE METASTISIS FROM OTHER MELANOMA
Papilloma
Sessile (flat) or pedunculated (on a stalk) lesions with irregular surface

More common in patients over 40 years old, usually seen in fornix or caruncle

Two forms: viral (recurrences common, more likely to be multiple) and non-viral (single lesions more common, may be pigmented, more likely to be pre-cancerous)

MUST REFER BECAUSE CAN'T DISTINGUISH FROM OSSN

Note - Basal cell carcinomas of the conjunctiva are extremely rare, but can appear similar to a papilloma
Sebaceous Cell Carcinoma
Not a typical "tumor" because it's not in the form of a lump or bump, may mimic blepharitis

Consider a tissue biopsy if the patient has a highly recalcitrant case of blepharitis, usually takes the form of intraepithelial dysplasia (abnormal cell changes), so it is extremely difficult to detect clinically

May arise de novo, but is usually related to an underlying invasive tumor of Meibomian or Zeis gland or both
Ocular Surface Squamous Neoplasia (OSSN)/ Conjunctival Intraepithelial Neoplasia (CIN)/ Squamous Cell Carcinoma

Third most common ocular tumor in older population (after melanoma and lymphoma)

Higher risk characteristics = pale skin/iris, residing less than 30 degrees latitude from equator, male gender

Average age of patient = mid 50s, related to UV-B exposure, perhaps from abnormal stem cell development at limbus, lesions have many different presentations, but generally are slightly elevated, sharply demarcated, with feeder vessels, and may range in color from gray to reddish gray, generally seen at the limbus within palpebral fissure opening

Very difficult to diagnose properly without cellular analysis

Treatment - topical IGN a2b drops with or without injections also, if surgery done - either Moh's microscopic technique or a wide excision with 2-3mm clear margins

Usually see firework like pattern (but could be papilloma)

Average recurrence is 30% overall but the recurrence rate seems to be lower with IFN treatment

CIN - when tumor completely confined to the epithelium (subtype of OSSN)

Orbital Cellulitis
Can occur from direct extension of sinus infection (especially ethmoid - called ethmoiditis, from a focal orbital infection, orbital fracture, or dental infection, vascular extension (bacteremia), follow orbital trauma or eye surgery, most common organisms are staph, strep, h.flu

Symptoms - red eye, pain, blurred vision, fever, headache, double vision

Signs - eyelid erythema, edema, warmth, chemosis, proptosis, restriction of EOMs with pain on attempted eye movement, decreased vision, retinal venous congestion, optic disc edema, purulent discharge, fever, APD

Examination - history, trauma, infection of ear, nose, throat, sinus, systemic, stiff neck (could be meningitis), mental changes (also could be meningitis - ER), diabetes or immunocompromised illness, check vital signs, CT of orbits/sinuses, blood tests/cultures, gram stain of any infected material, lumbar puncture for suspected meningitis, ocular examination - pupils, EOMs, exophthalmometry, color vision

Treatment - IMMEDIATE HOSPITALIZATION with broad spectrum antibiotic IV, follow daily