Questions tagged [third eyelid]
What are the genetic factors behind cherry eye in dogs?
Category: Genetics
Cherry eye, formally known as prolapse of the nictitating membrane gland, is a condition where the tear gland of the third eyelid becomes visibly swollen and protrudes from its normal position. This condition is most commonly seen in young dogs, particularly in certain breeds, suggesting a strong ge...
Why do some dogs have a "third eyelid"?
Category: Unique Facts
Dogs have a "third eyelid," also known as the nictitating membrane, which is a thin, translucent layer of tissue located in the inner corner of each eye. This structure is present in many animals, including birds, reptiles, and some mammals, and serves several important functions related to eye heal...