Opthalmology

Question 1

What is keratitis?

Answer 1

inflammation of the cornea

Question 2

What are the causes of keratitis?

Answer 2

Bacterial - Staphylococcus aureus and Pseudomonas aeruginosa ( contact wearers)

fungal

Aomebic ( exposure in contaminated water)

HSV

Question 3

Symptoms of Keratitis

Answer 3

red eye
painful
photophobia
gritty feeling

Question 4

What are the stages of non proliferative diabetic retinopathy?

Answer 4

Mild Non Proliferative Diabetic Retinopathy:
1 or more microaneurysm

Moderate
microaneurysm
blot haemorrhages
hard exudates
cotton wool spots

Severe
blot hemorrhages and microaneurysms in 4 quadrants
venous bleeding in 2 quadrants
intra retinal microvascular abnormality in 1 quadrant

Question 5

How is diabetic retinopathy split?

Answer 5

Non proliferative

proliferative

Question 6

What is a common cause of painless vision loss?

Answer 6

VIterous haemorrhage

Question 7

In what patient group do you need to check for vitreous haemorrhage?

Answer 7

T2DM

Question 8

How to pick up dry age macular degeneration on examination?

Answer 8

Drusen ( yellow spots on Bruchs membrane)

Question 9

What visual field is age related macular degeneration associated with?

Answer 9

Central vision loss

Question 10

What visual field is primary open- glaucoma associated with?

Answer 10

peripheral vision loss