Opthalmology

Question 1

What slit lamp feature is used with fluorescein and looks for abrasions, ulcers, or superficial punctate keratitis ?

Answer 1

Cobalt blue filter

Question 2

Low magnification is used to look at what ?

Answer 2

6-10x

Lids, lashes, bulbar conjunctiva, sclera, cornea, limbus, tears, anterior chamber, iris, lens

Question 3

Medium magnification is used to look at what ?

Answer 3

16-25x

Corneal epithelium, stroma, corneal endothelium, contact lens fit

Question 4

High magnification is used to look at what ?

Answer 4

25-40x

Corneal detail, abnormalities, stromal striae or folds, endothelial cell changes

Question 5

Herpes zoster opthalmicus involves which cranial nerve ?

Answer 5

Trigeminal (V)

Question 6

What will you see on exam with herpes zoster opthalmicus ?

Answer 6

Dendritic epithelial lesions and rash on V dermatome on face.

Do NOT have terminal bulbs like herpes simplex

Question 7

What is the name of the sign seen with herpes zoster opthalmicus and where is it seen?

Answer 7

Hutchinson’s sign : rash on the tip of nose.

Question 8

acute bacterial conjunctivitis has what clinical presentation ? How to treat?

Answer 8

acute onset, redness, discharge, gritty, hot, eyelid stuck, unilateral (may become bilateral)

Topical antibiotics

Question 9

What condition presents with Pseudomembrane, follicular conjunctivitis, subepithelial infiltrates? How to treat?

Answer 9

Viral keratoconjunctivitis

Treat palliatively with artificial tears and betadine drops

Question 10

If patient presents with a corneal ulcer what should be done immediately ? What common bacteria presents with them?

Answer 10

Refer to opthamalogy, avoid penetrating cornea.
Pseudomonas!
Topical fluoroquinolones if cannt see specialist in 72 hrs

Question 11

Contact lens overwear commonly presents as:

Answer 11

Grey white opacity in anterior stroma, inflammatory cells/debris, assoc with blepharitis

Question 12

Sudden vision loss, flashes, floaters, any chemical to eye, diplopia would be classified as:

Answer 12

Emergency ( right now)

Question 13

Ocular pain, red eye, foreign body, corneal abrasion would be classified as :

Answer 13

Urgent ( today)

Question 14

Itchy eye, painful bump on eyelid would be classified as :

Answer 14

Priority ( this week)

Question 15

Vision change in last few months, bump on eye, non-painful bump on eyelid would be classified as :

Answer 15

Routine ( next available )

Question 16

If lesions on upper eye lid why do you want to refer to a specialist ?

Answer 16

It elevates the risk of corneal involvement