There are several causes of corneal ulcers in dogs. Dahl, MD, is a board-certified ophthalmologist. Risk factors include contact lens use, HIV, trauma, ocular surface disease, and ocular surgery. 2 Overnight contact lens wear has been shown to be associated with increased risk. If left on lenses for long periods, bacteria grow and damage the cornea. Without treatment, the ulcer can spread to the rest of your eyeball, and you can become partially or completely blind in a very short period of time. Since the cornea is very sensitive, corneal ulcers tend to create very severe pain. Untreated corneal ulcers can lead to permanent eye damage and vision loss. Ophthalmology. 4th ed. Community practice patterns for bacterial corneal ulcer evaluation and treatment.
Complete.ealing takes about three to four weeks. 7 Keratotomies may lead to corneal sequestration in cats. 5 Other medications have been shown to be useful in topical treatment of refractory ulcers, including glycosaminoglycans such as sodium hyaluronate 8 and chondroitin sulfate, 9 aminocaproic acid, 10 and acetylcysteine . 11 Melting ulcers are a type of corneal ulcer involving progressive loss of stoma in a dissolving fashion. DO NOT store the lenses in saline. These tears can come from direct trauma; scratches; or particles, such as sand, glass, or small pieces of steel. They are believed to be caused by a defect in the basement membrane and a lack of hemidesmosomal attachments. Most corneal ulcers are preventable.