Image Quiz: The case of the crying rat

Article

What's behind the tearing and irritation in this rat's eye?

This 2-year-old female intact pet rat has an acute history of ocular discomfort in its right eye. It has suddenly started to show signs of blepharospasm and excessive lacrimation. The rat keeps its eye closed most of the day and is starting to rub the eye more often.

What's your diagnosis?

a) Distichiasis

b) Complete hyphema

c) Central corneal dystrophy causing an ulcer

d) Trauma causing a corneal ulcer and hyphema

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