(Eye) Tear gland protrudes beyond the “third eyelid,” resulting in bright red bulge in the inner corner of the eye.

Where the gland under the third eyelid protrudes and looks rather like a cherry in the corner of the eye. . . . more cherry eye chocolate - Dogs and chocolate.

Cherry eye is the term used to refer to canine nictitans gland prolapse, a common eye condition in various dog breeds where the gland of the third eyelid prolapses and becomes visible. It appears as a red mass in the inner corner of the eye, and is sometimes mistaken for a tumor. The eye becomes chronically inflamed and there is often a discharge.