Corneal Ulcers in Dogs and Cats

What is a corneal ulcer or irritation? Corneal ulcer or irritation in pets, also called keratitis, occurs when cells covering the clear outer surface of the eye, the cornea, are irritated or become infected. Wind, dust particles, your pet's own hair, bacteria and viruses can irritate the cornea. A corneal ulcer, also called ulcerative keratitis, occurs when a non-healing sore develops in...