A college-aged patient came in just before final exams complaining of blurred vision in the right eye. The eye was a little red and the vision was down to 20/40. The cornea was swollen with subepithelial and endothelial infiltrates as shown below. The patient has HSV disciform keratitis which requires topical steroids and oral anti-virals. Recalcitrant or recurrent disease sometimes requires endothelial surgery to rehabilitate the cornea.