046 Diseases of the eye

Question 1

What is the normal cup to disc ratio?

Answer 1

1:3

Question 2

What is uveitis?

Answer 2

Inflammation of the part between the inner retina and the outer sclera.

Question 3

Which microorganism causes blepharitis?

Answer 3

Stapholycoccal infection

Question 4

What dye can be used to detect a breach in coneal epithelium?

Answer 4

Fluorescin dye, under a cobalt blue filter will show. Damage parts of cornea will have uptake

Question 5

What is keratitis?

Answer 5

Very painful inflammation in the cornea

Question 6

What is acute anterior uveatis?

Answer 6

Inflammation of iris which pushes on the lens capsule - there will be alot of whit eblood cell precipitation on cornea -> painful vision loss, photophobic etc.

Can be due to TB.

Question 7

What are the symptoms of acute angle closure glaucoma?

Answer 7

Sudden painful vision loss

Mid-dilated pupil, reduced acuity, normally occurs in dark conditions.

Question 8

How would you treat central retinal vein occlusions?

Answer 8

Anti-VEGF, laser pan retinal phorocoagulation, observe

Question 9

What are two symptoms of vitreous detachment?

Answer 9

Floaters, Weiss ring if it has detached around the optic disc, flashes.