A Clinical Case from the Archives : 10/10/2005

This dog is presented with gradually worsening vision and a continuous white discharge. What’s the likely problem, what would your key diagnostic test be and what are the possible therapeutic options?

This dog has keratoconjunctivitis sicca or dry eye with subsequent corneal pigmentation. The low tear production (a Schirmer tear test gave a reading of 2mm/min in the first and 5mm/min in this eye) may be resolved with topical cyclosporine but this is unlikely to resolve the pigmentation completely – a superficial keratectomy may be required for that.


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