Well, you are not supposed to wear contact lenses, for it will cause serious problems. As we know that Keratitis is the medical term for inflammation of the cornea. And when it occurs, the cornea becomes inflamed. various types of infections, dry eyes, injury, and a large variety of underlying medical diseases may all lead to keratitis. So if you wear contact lenses, even when you have Keratitis, it will just make your eyes be infected easily. And then the Keratitis will be serious. Finally, red eyes, blurred vision, or light sensitivity may occur. So you should not wear contact lenses, unless Keratitis has recovered.