Show pageExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== Thygeson Superficial Punctate Keratitis ====== * Photophobia, tearing, burning, foreign body sensation * Blurred vision * Chronic and recurrent, usually bilateral but may be asymmetric * Small elevated oval corneal intraepithelial, white-gray opacities extend along entire corneal surface * mild conjunctival injection but may be absent * mild mucoid discharge possible * no association to systemic disease. ==== Etiology ==== * Adenovirus, herpes simplex virus, and varicella zoster virus, have all been implicated but not proven {{tag>cornea ocular_surface}} cornea ocular surface