Keratitis is an inflammatory reaction caused by the weakening of corneal defense ability and the invasion of corneal tissue by external pathogens or their own diseases. Typical symptoms are eye pain, photophobia and tears, eyelid spasm, etc., which may be accompanied by different degrees of vision loss.

Symptoms such as eye pain, photophobia, tears, blepharospasm, etc. or with different degrees of vision loss, especially those who often wear contact lenses, have eye injuries or low immunity, need to go to the ophthalmology department in time to avoid serious vision damage caused by corneal ulcer and corneal perforation.