Degenerations

Question 1

What is seen in older people in the lucid interval of corneal ulcers?

Answer 1

Senile furrow degeneration

Question 2

What is an quiet noninflm asymmetrical B/L slowly progressive thinning of the cornea starting superiorly, spreads circumferentially and rarely involves the inferior limbus?

Answer 2

Terriens marginal degenration (with intact epithelium with a line of deposits appearing at the leading edge of the pannus)

Question 3

What type of astigmatism does Terrians have?

Answer 3

Against the rule.

Question 4

What are causes of Salzmann nodular degeneration?

Answer 4

Previous:

1. Phlyctenulosis 2. Trachoma 3. IK

Question 5

How do you differentiate Spherodial vs Salzmann degeneration?

Answer 5

Spheroidal - golden brown deposits in superficial stroma

Salzmann - gray white or blue white elevated nodules with recurrent erosions

Question 6

Cornea verticillata occur in what layer and give 4 drugs that cause this?

Answer 6

Basal epithelial layer

1. Amiodarone
2. Chloroquine
3. Chlorpromazine
4. Indomethacin

Question 7

What are the 3 main causes of Salzmann corneal degeneration?

Answer 7

1. Intersitial kerititis 2. Chylamidia trachoma 3. phylentules

Question 8

What are the 5 causes of Limbal stem cell deficiency?

Answer 8

1. Aniridia
2. MEN IIb & III
3. SJS
4. Chemical injuries
5. contact lenses

Question 9

Which d/o do you see fragmentation of Bowman’s and thinning of the epithelium and stroma?

Answer 9

Keratoconus after hydrops. AND KERATOGLOBUS

Question 10

What is commonly a/w aneurysm formation on bulbar conj?

Answer 10

Fabrys dz