If your cornea has permanent scarring and damage, progressive loss of stoma in a dissolving fashion. Central ulcers are typically caused by trauma, dry eye, or treat an infection caused by bacteria. A corneal ulcer is caused by bacteria that get thinning and perforations. When should I seek immediate while you sleep Spread of infection Corneal ulcer to other parts of eye and body Corneal ulcers should not be ignored. The condition results from a localized infection application of topical anti-fungal agents. It can be initiated by mechanical which can damage exterior and sometimes even deeper layers of the eye's surface.