Pannus, most commonly seen in German Shepherds, also is known as “chronic superficial keratitis.” It is caused by the body’s own immune system attacking the cornea of the eye.

Superficial keratitis is inflammation of the surface of the cornea, the normally clear covering of the eyeball. The word chronic indicates it’s a long-term condition.

Superficial keratitis is inflammation of the surface of the cornea, the normally clear covering of the eyeball. The word chronic indicates it's a long-term condition.

Chronic Superficial Keratitis, also known as Pannus, is an inflammatory autoimmune disease that occurs in a dog's cornea. Pannus will cause blood vessels and scar tissue to invade the cornea ...