THE DIAGNOSIS of Anton's syndrome was confirmed by a radionuclide brain scan in an elderly man with blindness and agnosia. Report of a Case An 86-year-old man was admitted to a hospital after driving his automobile into a ditch. Although there were no apparent injuries from the accident, except a laceration of his forehead, the patient was blind. He appeared to be normotensive, was orientated only to other persons, was unable to distinguish between light and darkness, and had normal extraocular movements; his pupils were reactive to light directly and consensually. The patient appeared to be unaware of his loss of vision. When confronted by his examiners, he would reply that someone had turned off the lights in the room or that he was still asleep. In addition to blindness and a slightly decreased sensation to pinpricks and vibration in both distal lower extremities, the patient had lost stereognosis and