A Clinical Case from the Archives : 08/03/2005

What are the possible causes of this marked bilateral globe prpotrusion in this rabbit?

Here the intraocular pressures were 45mmHg in each eye and the condition was glaucoma caused by the bu gene. Other possibilities might include retrobulbar abscessation, although this would be rare bilaterally, and venous congestion causing retrobulbar plexus engorgement, again a very rare condition. The bu gene is common in New Zealand White rabbits like this one, causing a dysplastic iridocorneal angle where drainage is very poor. A useful paper on the condition is Ueno and colleagues report on Histopathological changes in iridocorneal angle of inherited glaucoma in rabbits. Graefes Arch Clin Exp Ophthalmol. 1999;237:654-60


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