Corneal ulcer how to return a responsibility

Corneal ulcer may be caused by infection, corneal exposure, immune factors and other reasons.

1. Infection

due to bacteria, fungi, viruses and other pathogenic microorganisms invading the cornea, will lead to corneal infection, stimulate corneal congestion edema, and then appear ulceration, erosion, the formation of corneal ulcer.

2. Corneal exposure

due to eyelid defects, eyelid closure and other reasons, leading to corneal loss of eyelid protection, exposure to the air, easy to secondary infection, resulting in corneal ulcer.

3. Immune factors

due to autoimmune factors will cause corneal collagenase activation, leading to corneal tissue dissolution, resulting in corneal ulcer.