Ulcerative Keratitis in Dogs
The cornea -- the transparent part of the eye --forms a cover over the iris and pupil. It also admits light to the inside of the eye. A corneal ulcer occurs when deeper layers of the cornea are lost; these ulcers are classified as superficial or deep. If your dog's eyes are tearing excessively, or it is squinting, there is a possibility of a corneal ulcer (or ulcerative keratitis).
Symptoms
- Red, painful eye
- Watery eye
- Squinting
- Sensitivity to light
- Rubbing at the eyes with a paw
- Eye may remain closed
- Discharge
- Film over the eye
Causes
- Trauma, blunt or penetrating
- Disease
- Tear deficiency
- Infection
- Can not close the eyelids completely
- Paralysis of facial nerve
- Foreign body
- Burns from a chemical substance
Wounds are often the cause, usually from playing or scuffling with another dog or cat. However, there also may be a foreign object under the eyelid. In some breeds, the eyelids have a tendency to roll inward, causing the eyelashes to irritate the eye’s surface.
The following breeds, all characterized by short noses and prominent eyes, are more likely to develop this problem.
- Pug
- Boston terrier
- Pekingese
- Boxer
- Bulldog
- Shih tzu
- Any breed with a short, flat face/muzzle
Boxers are particularly inclined to develop severe cases of this disease. If there is persistent wetness around the eyes, taking it to the veterinarian is recommended. These dogs can have an eye pop from its socket and require surgery to put it back. A harness is better than a leash because of this. If the eyelids do not close completely, consult your veterinarian about a possible surgical correction.
otic
Anything having to do with the ear
iris
The colored layer around the pupil
pica
A type of ravenous appetite that causes animals to eat or lick at strange substances
nag
A type of horse that does not belong to a particular breed
ion
An atom that has a positive or negative charge
stent
A device that can be implanted into a blood vessel to keep it from collapsing
nerve
A bundle of fibers that are used in the process of sending impulses through the body
steroid
The term for a type of medication that impacts immunity, metabolism, sexual characteristics, and other such elements of a living thing
keratitis
A medical condition in which the cornea becomes inflamed
erosion
Loss of epithelium to the basement membrane
muzzle
The term for the nostrils and muscles in the upper and lower lips of an animal; may also be used to describe a type of tool used to keep an animal from biting
laceration
A cut into the skin that is made by accident
lysis
The breakdown of something or the destruction of something, biologically speaking