<prompt> A patient came to eye OPD with disc shaped edema over cornea and has a history of vesicles over lips few weeks back. There is no ulcer on staining. What can be the diagnosis:Disciform viral keratitisMarginal ulcerMetherpetiform keratitisNone of the above  <response>: The clinical features are suggestive of disciform keratitis seen in herpetic eye infections DISCIFORM KERATITIS Hypersensitivity reaction to HSV antigen Endothelitis fb stromal edema Focal disc shaped edema with no ulcer KP may be present Wessley ring may be present Diminished corneal sensation Mild uveitis and rise of iop Antiviral steroid 