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76 Cards in this Set
- Front
- Back
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The etent of a cataract can be displayed by what?
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A scan
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Difference between irtis and iridocyclitits?
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Iritis has no circumlibal flush or ciliary body involvement
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If you see a posterior synechiae you should do what in clinci?
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Put gonio on eye
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3 tests assiciated with cataract?S
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color
stero pupil |
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2 types of iris nodules and where they are?
What type of uveitits are they associated with? |
Koeppe- puppillary margine
Busacca- away from border Seen in granulamtous uveitits |
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Most common cause of posterior uveitis?
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toxoplasmosis
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Band keratopathy is asociated with what sytemic problem?
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kidney failure
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Glacomatous cyclititis/Possner-Schlossman presents with what 4 features?
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trabeculitis
mydriasis elevated IOP Fine Keratic Percipitates |
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A 68 yr old comes to office and presents with distinct iritis, the first diagnosis should be ______, when you dilate you see vitritis, which is indicative of_______?
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carotid artery disease
lymphoma |
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With anterior segment ischemia, which eye will have the higher iop?
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The eye that does not have the blockage!
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2 hallmark symptoms of anterior ischemic syndrome?
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Poor dark/light adaptation
Mid-pierphery dot blot hemes prsent on the oppsite side of the carotid blockage |
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How does PRK work?
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Scraping off epithelium then abalting thru Bowman's layer
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What gives stroma its clarity and strenth?
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Parrellel alignment of collagen fibers
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Where does Descement's membrane arise from?
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Endothelium
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What layer are keratocytes found in cornea and what are the 2 types?
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Stroma and it is PMNs and Fibroplast.
PMNs produce infiltres and keratitis |
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What and where does polymegathism occur and in what ocular dystrophy is this ofund in?
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endothelium
fuch's |
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normal nighttime swelling of the cornea is?
Signs of stroma edeam occurs at _% and causes? Endothelial edema occurs _- and it causes? |
3-4% nighttime
5-7% stomra Straei 8-10% endothelial edema, see decement's folds and blebs |
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clinical significance of neovascular occurs when the vessle progresses __- unless its in the superior direction
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1 mm
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Most common site of anterior seg pathology?
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eyelids
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CNVII controls what muscle?
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orbicularis oculari muscle
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CN III controls what part of the eyelid?
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levator
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Sympatheti controls what part of the lid?
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Mueller's muscle, helps raise upper lid
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What type of belhparitits causes greasy oily dandrugg like scales and how is it treated?
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Seorrheic/squamous blepharitis
treat with antidandruff shampoo, antibiotic ointments of anti/steriod combo |
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Acute blepharitis is usualyl caused by what bacteria? what are its symptoms and how do you treat?
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Staph
See COLLARETTES, yellow scales, with secondary KC w/ SPK possible. Treat with warm compress, lid scrubs,bacitracin, toradex if its severe |
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Which safer polysporing or bacitration?
Which is more staph specigic |
polysporin is safest
bacitracin is staph specific |
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2 conditions seen in chronic blepharitis?
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tylosis- thickening of weyelids
mderosis- loss of lashes |
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what is seen on the lashes of everyone over 50?
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demidex folliumium
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What is pediculosis palpebrum and how do you treat it?
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Lice
treat with Kwell or Rid shampoo |
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Meiomianitis can be diagnosed by seeing what on the lids? What disorder may this be indictative of if its reoccurent?
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Toothpaste like secretions
meibomina gland secretions |
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What is a chalzaion, how do you treat, and what could you suspect if its reoccurent?
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nonifenctious inglammation of gland or duct
its nonpainful and palpable could be indcative of meobomian gland carincoma |
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What is the difference between an internal and external hordeolum? Which can progress to more dangerous disease? What is the bacteria that causes the external kind?
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Interal affects meibomina gland and external affects zeiss and moll
Internal is more dangerous, it can lead to cellulitits Staph usually causes external |
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Medication given to someone who has preseptal cellulitits?
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Keflex
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Allergic conjunctivitis has a white stringy discharge known as
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catarrhal
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Papillae is associated with?
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Allergies
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What produces mucin in the conj?
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goblet cells on epithelium
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If patient has both papillae and follicles they may have
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Chlyamidia
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Where does Psuedomonas live on the eye and what are its distinguishing features?
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likes to live in the center of cornea, far from limbus where inflammatory cells come from
it smells fruity and has a blue green color |
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Haemphilus is usually seen in this demograpic and is what color?
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Kids from age 5 weeks to 5 yrs
purple in color |
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How do you treat Chlymadia? what type of extremely debilitating ocular condition does it cause?
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Tetracylcine QUID 250 m
causes trachoma |
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If you see a subconj heme check if its located _____ to rule out retorbulbar bleeding or suarachnoid bleeding
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superior
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Polymixin is good for killing what bacteria?
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Psuedomas aeurginos
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Neomycin is good at killing what type of bacteria?
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gram -
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What is in polysporin?
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bacitracin and polymixin
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What is the preferred 4th gen fluorquinolone?
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Vigamox
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Hallmark sign of infectious keratitis?
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infiltrate
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4 pathogens that can attack an intact cornea?
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Cornebaterium
neisseria gonorrhea Haemophilus Aeypticus Listeria |
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Most comon acterial keratitis in immunocompromised?
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moxella
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How do you treat corneal ulcer?
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Ciloxan 2 gtt x 15 min for 6 hours
2 gtt every 30 minutes for next 12 hours 2 gtt 4 times a day for 14 days |
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How do you treat MRSA?
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Vancomycin
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Most common external ocular viral infection is?
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EKC
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Decenmetocele formation is found in what and a what stage is it seen in?
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alkili chemical burns that cause corneal distruction
seen in LATE stage 3 weeks-months |
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What kind of growth can consist of embronic tissue ie teeth, nailsl, etc?
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Dermoid cyst
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3 types of suderfious cysts and what are these cysts made out of?
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eccorine, apocrine, syringoma
seat glands or glands of moll |
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People with high cholesterol or lipid could have this lesion
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Xanthelasma
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Sturge Weber syndrome is associated with this tumor?
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Hemangioma
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This lesion is a precuroso to squamous cell carincoma and is red in color
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acitni keratosos
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most common skin cancer
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basal cell carincoma
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% of people treated with Lasix that are within 1D post surgery and 20/40 or better?
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93%
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at what corneal thickness can lasik no longer be performed?
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410um
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THe orbita lseptum is attached to the
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frontal bone
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best technique to for congential ptosis?
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levator resection
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Wat is entropion due to?
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overaction of orbicularis
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Hypersensitivity Type 1 in the eye involves
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seasonal alelrgic conjunctivitis
WET, puffy itchy |
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Hypersensitivity Type 4 in the looks
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DRY, leathery
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3 types of Igs found in mucous layer of tears
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IgG IgM and IgA
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Graft unnbigecuty us determined by?
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MHC
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Anti-microbial properties in aqueous layer of tears?
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lactoferrin, IgA, Lysozyme
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Must abundant Ig found in Sclera
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IgG
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Vernal KC causes what type of hypersnitivity reaction?
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I and IV
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Seasonal conjunctivitis causes what type of herpsnsitivy reactiosn
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I
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How would we treat necrotizing sclerittis WITH inflammation?
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NSAIDS NO STERIODS!
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Signs of posterior scleritis?
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retinal wrinkling
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Hallmark sign of season atopic keratoconjunctivitis?
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SPK
use artifical tears, cold compress, steriod, mast cell staaliers, antihistamines |
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Normal osmolarity of the eye?
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311
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What test test for reflex and basal tearing?
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Schmirers 1
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Major problem with RK surgery?
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Hyperopic shift in Rx
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