Introduction: What is cherry eye?

Cherry eye, also known as prolapse of the third eyelid gland, is a common eye condition that can affect dogs of all ages and breeds. It occurs when the tear gland in the third eyelid becomes inflamed and protrudes from its normal position, resembling a small red or pink cherry. While it may not directly cause blindness, if left untreated, cherry eye can lead to complications that may ultimately result in vision impairment for your furry friend.

Understanding the anatomy of a dog’s eye

To better comprehend the implications of cherry eye, it is crucial to understand the anatomy of a dog’s eye. Dogs have three eyelids: the upper eyelid, the lower eyelid, and the third eyelid or nictitating membrane. The third eyelid is a thin, protective layer that contains a tear gland responsible for producing a significant portion of the dog’s tears. This gland helps keep the eye lubricated and healthy. When the gland becomes inflamed or weakened, it can prolapse, leading to cherry eye.

Cherry eye: Causes and risk factors

The exact cause of cherry eye is not fully understood, but it is believed to have a hereditary component. Certain breeds, such as Bulldogs, Beagles, and Cocker Spaniels, are more prone to developing this condition. Other factors that may contribute to cherry eye include weak connective tissues holding the gland in place, eye trauma or injury, bacterial or viral infections, allergies, and even excessive rubbing or scratching of the eyes. It is worth noting that while cherry eye itself may not cause blindness, the complications that arise from untreated cherry eye can potentially lead to visual impairment.