The corneal is a layer of transparent film on the front of the eyeball. It often exposed in the air, so it would get more chance of virus infection than other issues of eyes. When the trauma or corneal hurt as well as trachoma complication symptom happens, the virus and bacterial get into the inner of corneal, the corneal ulcer will be reduced. As for the signs of corneal ulcer, the rete vasculosum will get expanded and congestion on the edge of corneal, it named ciliary congestion. The infiltration of corneal will happen at the same time by the invasion of white blood cell. When the infiltration get heavy, the issues of corneal get degeneration, necrosis, or drop, it will become corneal ulcer. This state of illness must be controlled in time, or it will get long time's inflammation and damage the corneal issues. So, if you find the issues of corneal get degeneration, necrosis or drop, as well as the rete vasculosum get expanded and congestion, it may be the corneal happen.
The main signs of getting corneal ulcer are that sufferers are sensitive of light, often burst into tears, their eyes ache and their cornea appears offwhite dots. When the situation gets worse, symptoms above manifest more obviously, sufferers cannot open their eyes and eye pain is unbearable, and their vision reduces. Eyeball conjunctiva appears amaranth hyperemia, the closer it is to the cornea, and the more serious the situation is. The surface of the cornea appears offwhite and the necrotic tissue drops, hence the formation of the ulcer. If the toxicity of bacteria is powerful, when suffering chronic ocular inflammation or the resistance power of the whole body lowers, ulcer extends towards deep layer, forming the pus, even causing cornea perforation, which does great harm to vision.
A corneal ulcer is an open sore on the cornea, which is the clear front window of the eye. The cornea covers the iris and the round pupil, as a watch crystal covers the face of a watch. A corneal ulcer usually results from an eye infection, though it can be caused by severe dry eye or other eye disorders. Signs of a corneal ulcer are usually obvious, especially if the ulcer is deep. It includes, tearing, eye discharge, white spot on the cornea. What is more, eye vision is sometimes impaired, and it may be tearing and red. It may also hurt to look at bright lights.