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28 Cards in this Set
- Front
- Back
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Is it possible for blepharitis to cause the lashes to turn in?
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Yes.
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define trichiasis
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The acquired misdirection of eyelashes toward the globe
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what are some of the subjective findings of trichiasis?
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FB sensation, Red eyes, Pain, Photophobia, Tearing
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what are some of the objective findings of trichiasis?
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conjunctival scarring, FB tracking on cornea, Signs of entropion and horizontal lid laxity, Lashes growing from the meibomian
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causes of trichiasis?
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Infectious, autoimmune, inflammatory, trauma,
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what are some of the infectious causes of trichiasis?
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Blepharitis
Herpes zoster Trachoma (chlamydia) |
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what may help trichiasis?
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lubricants may help or if it is more serious then medical therapy may be needed.
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what are two general surgical procedures that can help with trichiasis?
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lash/follicle destroying or lash/follicle repositioning
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is epilation permanent or temporary
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usually temporary it often leaves the lash follicle.
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what is the most "extremely effective" way of fixing trichiasis?
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radiofrequency ablation
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the treatment "normally done" for trichiasis?
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epilation
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the name for a mis-shapen eyelid? "triangular defect"
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eyelid coloboma
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where is the general location for an eyelid coloboma for the upper and lower lids?
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upper- Usually between the inner and middle third of the lid
lower- Usually between the middle and outer third of the lid |
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the primary cause of an eyelid coloboma is?
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genetic
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Upper lid coloboma is often associated with ___which is the failure of eyelid formation
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cryptophthalmos the eyelid skin grows continuously from the forhead to the cheeks
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objective observations seen in an eyelid coloboma,
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eyebrow defects, trichiasis, tumors, symblepharon from defect to globe malfor. of globe, exposur keratopathy, opacities, lac obstruction, iris coloboma, cataract, subluxation
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what type of tissue is defective during developement when a lid coloboma is formed?
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mesodermal tissue, some research show that it may also be due to ischemia.
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our primary goal with treatment of a lid coloboma?
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corneal protection. and treatment of small defects
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epicanthus folds are common with what kind of autosomal dominant inheritance pattern?
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trisomy 21 (turners) also klinefelters syndrome
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should an infant with epicanthal folds be seen for the problem ever again?
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yes in 6 months. if it is limiting the view then surgery could be done.
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what is dermatochalasis?
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Definition: Redundant and lax eyelid skin overhanging the margin
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what age is the begining of dermatochalasis usually seen is?
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40 and progresses with age. if it runs in the family it has been seen to start in the 20's
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causes of dermatochalasis?
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Loss of elastic tissue in the skin, and
Weakening of the connective tissues of the eyelid |
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subjective problems with dermatochalasis?
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ocular irritation, entropion of upper eyelid, ectropion of the lower lid, bleph, dermatitis. there are two common issues, funtional or cosmetic.
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objective findings of dermatochalasis
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Presence of an upper eyelid crease should be noted and measured. Levator still functioning Normal upper eyelid margin position should fall ~1 mm below the superior limbus. orbital fat should be assessed
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most common cause of dermatochalasis is? and others?
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normal aging is most common. trauma, priorbital edema, chronic dermatitis, thyroid eye disease, blepharospasms, and flopp;y eyelid syndrome.
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Differential Diagnoses for dermatochalasis?
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entropion, floppy eyelid syndrome, blepharochalasis, steatoblepharon (herniation of the orbital fat in teh upper or lower lids, ptosis. THE KEY IS THAT IT IS INTERMITTENT.
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Plan for dermatochalasis?
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generally surgery (blepharoplasty). patients with blepharitis may benefit from hygiene and topical antibiotics. dermatitis may use steroids.
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