Corneal ulcer is the correct medical term for any type of painful irritation to the corneal or outer protective layer of they eye. Corneal ulcers can happen from a variety of normal circumstances but they can also occur from specific medical conditions and diseases. In dogs the most common forms of corneal ulcers include scrapes and scratches of the eye or eyes from grass, debris or even the dog's own claws, entropion or eyelashes rolled inward to the eyeball, dry eye conditions resulting in abrasion or rubbing of the surface of the eye without lubrication and infections in the eye.
Corneal ulcers are typically noted by increased watering or tearing as the eye tries to soothe the irritated and painful area, refusal to open the eye or squinting, thick discharge from the eye or a red irritated appearance to the eye in mild cases. The dog may try to scratch at his or her eye continually or may rub the side of the head along the ground, on furniture or even against your hand or leg. [...]
As with many Brachycephalic (short-nosed) breeds with prominent eyes, the Boston Terrier unfortunately suffers from a number of eye problems. Some are less severe than others, though all require prompt veterinary attention. If you are considering the addition of a Boston Terrier to your family, you must be willing to devote time to regularly checking the health of your dog's eyes and bringing him or her for regular visits to the vet. Some of the more common eye conditions that can develop in Boston Terriers are cataracts and corneal ulcers, the latter usually in conjunction with corneal dystrophy. [...]