There are several possible answers to your difficulty. I don't know your situation, so I can't be more specific.
If it were an allergy, it would show up in both eyes and all of the eye would be inflamed and not just the white part. So I discount allergy.
If it was caused by in infection by a microorganism, it most likely would have spread to the entire eye by now.
So the most likely answer is #4 below:
1. Are you sterilizing your contact lenses properly overnight? If not they could be infected and causing your problem.
If you are not sterilizing them with a hydrogen peroxide solution like AOSept, then try that. Make sure the solution is neutralized using the method described on the box?
2. Are you washing your hands well before removing and/or replacing your lenses?
3. I had trouble with an irritation in one lens because there was a small tear or rip in the lens. It was not visible to the naked eye. That lens had outlived it's life and had to be discarded and replaced with a new one. THIS SEEMS LIKE THE MOST LIKELY PROBLEM.
4. Is there anything unusual about the way in which you store or disinfect your lenses overnight? Is there a possibility that some chemical agent or cleaning solution is venting fumes or touching your lens? Or, is there a foreign substance in the container in which you store your lens?
5. Is there a constant strain on the one eye due to a visual problem?
Edited by pufferfish (07/05/11 12:27 AM)