Corneal ulcer:

Corneal ulcer , often resulting from keratitis is an inflammatory or, more seriously, infective condition of the cornea involving disruption of its epithelial layer with involvement of the corneal stroma. [1][2][3] It is a common condition in humans particularly in the tropics and in farming. [4] A corneal ulcer is a corneal epithelial defect with underlying inflammation usually due to invasion by bacteria, fungi, viruses, or Acanthamoeba (See also Introduction to Corneal Disorders.) Etiology of Corneal Ulcer Corneal ulcers have many causes (see table Causes of Corneal Ulcers ). Herpes simplex keratitis is discussed separately. A corneal ulcer is an open sore or defect in the cornea, the clear part of the eye, that can cause vision loss. Learn about the common causes, such as infections, injuries, and contact lenses, and how to diagnose and treat corneal ulcers. Understanding corneal ulcers, their causes, symptoms, and treatment options is vital for maintaining eye health and preventing complications. A corneal ulcer is defined as a localized area of tissue loss on the cornea , often caused by infection, injury, or underlying health conditions.