Picture quiz #107

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Question 1 What do you notice about each of the following?

a. Eyelids

b. Conjunctiva

c. Cornea

d. Pupil

Note: the dense white oval mark at 12 o’clock on the pupil margin is a reflex from the flash of the camera.

Question 2 What is the diagnosis?

Question 3 What disease is likely to cause this?

Question 4 What is the name of the public health strategy to eliminate blindness from this disease?

ANSWERS

1. What can you see? a) Eyelids: turning in of the upper eyelashes b) Conjunctiva: it is red c) Cornea: there is a small grey-white opacity at 4 o’clock near the pupil edge; the rest of the visible cornea is clear d) Pupil: it looks normal.

2. What is the diagnosis? Trichiasis.

3. What disease is likely to cause this? Trachoma.

4. What is the name of the public health strategy to eliminate blindness from this disease? The SAFE strategy (S for surgery to treat trichiasis, A for antibiotics to clear infection, F for facial cleanliness and hand hygiene to help reduce transmission and E for environmental improvement ( for access to water and sanitation).