Once a child suffers from keratitis, the main symptoms are the following: 1. the conjunctival blood vessels are dilated and filled, the main manifestation is the redness of the eye. 2. the eye is obviously painful, the early stage of keratitis is usually a stinging pain in the eye, as the condition gradually worsens, the eye will appear strong pain symptoms. 3. is the eye appears discharge, especially bacterial infection caused by keratitis, there will be a large amount of yellow or white In the early stages of keratitis, the eye is usually painful, and as the disease gradually worsens, the eye becomes intensely painful.