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.
As a matter of fact, keratitis is one of the most serious eye infections we would encounter in our lifetime, and it requires a long period of time to rest your eyes and recover. So, if you take the risk to wear contact lenses, you are likely to regain keratitis and even lead to some other problems, of course it is harmful to your eyes, maybe you should consult a doctor first.
No, it is not OK for you to wear contact lenses after keratitis. Or else, your corneal may be infected seriously which may cause the broken corneal. It is very harm for your eyes. You'd better not do this. You could keep on using the eye drops to get rid of the infected parts in the eyes. After you get the full recovery, you could wear the contact lenses again.