Ophthalmology

Question 1

What parts of the eye are part of uveitis?

Answer 1

Choroid, ciliary body, iris

Question 2

Chronic Glaucoma Tx

Answer 2

1- prostaglandin analogues (-oprost)

2 - topical beta blockers (timolol)

3 - topical carbonic anhydrase inhibitors (dorzolamide)

4 - Alpha 2 agonists (apraclonidine)

5 - Pilocarpine (constrict pupil to inc drainage)

Question 3

Acute Angle Glaucoma Presentation and Tx

Answer 3

Presentation - sudden painful, red, hard eye w/ unreactive pupil

Tx - IV acetazolamide, IV mannitol, pilocarpine, beta blockers, laser iridotomy

Question 4

What is the most accurate test for diabetic retinopathy?

Answer 4

Fluorescein angiography

Question 5

Retinal artery v vein occlusion (presentation, appearance, tx)

Answer 5

ARTERY - pale retina w/ cherry red macula, give O2, ocular massage, acetazolamide, anterior chamber paracentesis

VEIN - patchy extravasation of blood into retina, ranibizumab (VEGF inhibitor)

BOTH PRESENT WITH SUDDEN MONO VISION LOSS

Question 6

How does retinal detachment present?

Answer 6

PAINLESS curtain coming down over one eye

Hx eye trauma or DM or extreme myopia

Question 7

2 Types of Macular Degeneration (how do you treat them?)

Answer 7

Dry (drusen) - no treatment; more common

Wet (neovascularization under Bruch membrane) - laser photocoagulation and VEGF inhibitor injection q 4-8 weeks