It also might hurt to look at any bright lights. Most corneal ulcers are caused by infections. St. Your doctor may determine the cause by numbing your eye with eye drops, then gently scraping the ulcer to obtain a sample. Always clean your contact lenses with proper contact cleaner. Pain can also be controlled with special eye drops. Most frequently, wearing contacts for extended periods of time can also reduce oxygen to the cornea, making it more susceptible to infections. Most eye doctors see patients with corneal ulcers every one to three days, depending on the severity of the condition. These infectious agents produce proteases and collagenases which break down the corneal stoma. Steroid eye drops are not used in cases of severe infectious ulcers.
Keenan J, McLeod BSD. View this article’s most recent comments. He has a Ph in Microbiology GT at Austin, and the MD Unix. FHV-1 causes ulceration by direct infection of the epithelial cells. Sorry, we could not verify that email address. It is also a barrier to infectious agents.