MORE OPHTHO PASSMED

Question 1

Contact lens wearer, swims in lake, pain out of proportions to findings (eye redness and decreased visual acuity)

Answer 1

Acanthamoeba keratitis

Question 2

Potential dangerous complication of orbital cellulitis?

Answer 2

Intracranial abscess

(rule out by doing CT of orbits, brain, sinus)

Question 3

Severe pain + profound vision loss + pus in the anterior chamber , 1 week after cataract surgery

Answer 3

Endophthalmitis

Question 4

Scleritis vs episcleritis

Answer 4

Painful ocular movements indicates scleritis
(because the extra-ocular muscles insert into the sclera)

Question 5

Appearance of the pupil in primary closed angle glaucoma

Answer 5

Fixed dilated position

Question 6

Fluorescein stain shows what?

Answer 6

Dendritic ulcer

Question 7

Causative organism?

Answer 7

Herpes simplex virus

Question 8

What drugs to avoid in dendritic ulcer?

Answer 8

STEROIDS !!!

Also, antibiotics as it has a viral cause

Question 9

Cause of corneal arcus

Answer 9

Hyperlipidaemia

Question 10

Most common sign of retinoblastoma

Answer 10

Leukocoria

(white pupillary pupil)