Sima Nikkhah
Paytakht Pet Hospital, Iran
Title: The first report of heterotrophic bone formation at eye in Guinea pig in Iran
Biography
Biography: Sima Nikkhah
Abstract
Anecdotal evidence has suggested that guinea pigs have a high prevalence of ocular lesions. Hetotrophic bone formation (also known as osseous choristoma) is a condition unique to the guinea pig that result in new bone formation in the ciliary body that can be visible as a white, crystalline opacity at the limbus1.
A 13 months old Guinea pig refer to exotic and ophtalmology departments of Paytakht Pet Hospital because of ocular lesion. History taking shows the owner had information about role of low level of Vitamin C in diet. Depends on this thinking he use over taking of Vitamin C (food material and supplement) for himself Ginuea pig diet order.
A full ophthalmic examination was performed direct and indirect ophthalmoscopy and with slit lamp biomicroscopy, intraocular pressure using the ICARE Tonovet tonometer after topical anesthesia (no evidence of glaucoma) without ocular discomfort, show white lesion at limbus protruding slightly into the cornea because of heterotrophic bone formation at cilliary body in Guinea pig
Treament: No treatment is recommended. role of ascorbic acid metabolism by guinea pig in disease pathogenesis of the ciliary body also remains unknown1, But because of Vit C promotes calcium deposition when at high concentration in tissue2 recommended to owner for diet modification.