Ophthalmology

Question 1

Cotton wool reflex (corneal sensation) test on the eye tests which nerve

Answer 1

Trigeminal nerve

Question 2

Blink reflex test on the eye tests which nerve

Answer 2

Facial nerve

Question 3

Blood in the Anterior portion of the eye is called?

Answer 3

Hyphaema

Question 4

Pus in the Anterior portion of the eye is called?

Answer 4

Hypopyon

Question 5

Define relative afferent papillary defect (RAPD)

Answer 5

Paradoxical dilation of a directly stimulated pupil

Question 6

Name the causes of RAPD (7)

Answer 6

Optic neuritis
Optic atrophy
Papillitis
Retinal detachments
Central retinal artery occlusion
Widespread retinal disease
Optic nerve compression

Question 7

Name types of malposition

Answer 7

Entropion- Lid turn inward (susceptible to lash abrasions)

Ectropion- Lid turns outwards (Exposes eye surface leads to irritation)

Question 8

Name the types of Diabetic retinopathy

Answer 8

1) Background Retinopathy
2) Pre- Proliferative Retinopathy
3) Proliferative Retinopathy
4) Advanced diabetic eye disease
5) Diabetic maculopathy

Question 9

What is the side effect of Panretinal laser photocoagulation?

Answer 9

may lead to night blindness because photocoagulation burns the peripheral retina which has the highest density of rods, which are needed for night vision.