What complication can arise if cherry eye is left untreated?

If cherry eye is left untreated, one significant complication that can occur is chronic conjunctivitis and keratoconjunctivitis sicca (KCS). Cherry eye refers to the prolapse of the nictitating membrane's gland, which can occur in certain dog breeds. This gland is responsible for producing a significant portion of the tear film that keeps the eye lubricated.

When the gland is displaced, its function is compromised, leading to decreased tear production. Over time, this can cause dry eye (KCS) due to insufficient tears to keep the ocular surface moist. The lack of adequate tear film leads to irritation and inflammation of the conjunctiva, resulting in chronic conjunctivitis. This condition can further exacerbate discomfort and lead to further ocular complications if not addressed promptly.

Managing the cherry eye condition early can help maintain the health of the eye and prevent these complications from developing.