opthal

Question 1

most common cause of keratitis in contact lens wearers

Answer 1

pseudomonas aerunginosa

Question 2

What is used to check if blurred vision is a refractive error?

Answer 2

pin-hole occluder

Question 3

Conditions that cause tunnel vision

Answer 3

• Glaucoma
• Diabetes related retinopathy

Question 4

Dry macular degeneration treatment

Answer 4

High dose of beta-carotene, vitamins C and E, and zinc

Question 5

Upon applying light pressure on her eye with a cotton bud, you notice that the injected vessels seem to move.

Answer 5

episcleritis

Question 6

treatment of orbital cellulitis

Answer 6

Iv cefotaxime

Question 7

Complications following cataract surgery

Answer 7

Posterior capsule opacification
Retinal detachment
Posterior capsule rupture
Endophthalmitis

Question 8

treatment of orbital compartment syndrome

Answer 8

urgent lateral canthotomy

Question 9

does hyper or hypocalcaemia lead to cataracts

Answer 9

hypo

Question 10

Complications of herpes zoster opthamicus

Answer 10

ocular: conjunctivitis, keratitis, episcleritis, anterior uveitis
ptosis
post-herpetic neuralgia

Question 11

Risk factor for retinal detachement

Answer 11

• diabetes
• myopia
• age
• eye trauma

Question 12

dendritic ulcer

Answer 12

herpes simplex keratitis

Question 13

defect in red reflex

Answer 13

retinoblastoma or cataracts

Question 14

fluorescein staining may show an epithelial ulcer

Answer 14

herpes simplex keratitis
- urgent referral
- topical acyclovir

Question 15

complication of scleritis

Answer 15

perforation of the globe

Question 16

Argylle robertson pupil

Answer 16

small, irregular pupils
no response to light but there is a response to accommodate
syphillis + DM