Conditions of the cornea

Question 1

Causes of corneal ulcers?

Answer 1

Infections:
-HSV, 
-Varcella
Trauma, 
Corneal degenerations,
Corneal dystrophy

Question 2

Presentation of corneal ulcers?

Answer 2

Painful red eye,
Mild-severe discharge,
Reduced vision,
swollen eyelids

Question 3

Investigations of corneal ulcers?

Answer 3

Discharge culture, 
Slit lamp (white spot)

Question 4

Characteristics of corneal dystrophy and degeneration?

Answer 4

Bilateral,
Opacifying,
Non-inflammatory conditions,
Usually genetic, could be due to accumulation of lipids within the cornea

Question 5

Presentation of corneal dystrophy and degeneration?

Answer 5

Decreased vision, 
Change in cornea appearance,
Eye pain, 
Glare, 
Foggy or blurred vision, 
coloured halos around lights, 
Foreign body sensation

Question 6

Investigation and treatment of corneal dystrophy and degeneration?

Answer 6

I-
Examination,
Slit lamp
T-
Corneal transplant