Medical Ophthalmology: Case eleven


This is the blood film of a young man who suffers from poor night vision. In addition, he has a learning difficulty and problem with balance.

a. What does the blood film show?

b. What is the diagnosis?

c. Why does he have problem with night vision and what other
    ocular signs may be present?

d. What is the pathophysiology of this condition?

e. How can this condition be treated?

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