Eye

Question 1

RAPD: relative afferent pupillary defect

Answer 1

light in affected eye causes paradoxical dilation (CN II)

Question 2

blepharitis

Answer 2

seborrhea, bact inf
red lids w/ scales on lashes
baby shampoo, lid scrub, topical abx

Question 3

chalazion vs hordeolum (stye)

Answer 3

• painless cyst deep to eyelid (blocked meibomian gland), tx w/ warm compress +/- excision
• painful nodule/pustule on lid margin (staph), tx w/ compress, top abx, I&D if refractory

Question 4

dacryocystitis

Answer 4

• sac inf secondary to obstruction of lacrimal duct
• s aureus, strep pneumo, s epidermidis, candidia
• tx: po abx, compress (NO I&D), surg if refractory

Question 5

viral conj MC eti

Answer 5

adenovirus

Question 6

bact conj MC eti

Answer 6

s aureus, strep pneumoniae, Hflu, Mcat

can have G/C - need PO abx

Question 7

HSV/Zoster Conj

Answer 7

MC cz of inf corneal blindness
dendritic ulcers
tip of nose = “Hutchinson’s sign”
tx: eop/po antivirals - AVOID steroids!!

Question 8

iritis (anterior uveitis)

Answer 8

• limbic (border of iris) flush, deeper pain NOT alleviated by tetracaine, consensual photophobia, “cells and flare” (WBC in ant chamber) on slit lamp
• tx w/ steroid & dilating gtts