Exotis ISSN 2398-2985

Reptiles

Eye conditions in terrapins Owner Factsheet

Contributor(s): Siuna Ann Reid, Kirsty Dewhurst

Terrapins are thought to have excellent eyesight. Their eyelids are quite different to ours; if you look at your own eye you will see that you have a big upper eyelid which comes down to cover your eye when you blink and a much smaller lower eyelid. In terrapins the lower eyelid is the one which is bigger and stronger; this is often transparent so that the terrapin can see under water with his eyes shut. Terrapins also have a third eyelid which acts as extra protection and sweeps across the surface of the eye to clean it when they blink.
 
Terrapins often have a transparent lower eyelid so they can see under water with their eyes shut
©Siuna Reid

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What other eye conditions affect terrapins?

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