Q: A 54-year-old man presents to the emergency department with intense pain in his right eye. Examination reveals a red ring surrounding his iris and elevated intraocular pressure in the same eye. After obtaining a careful history with the aid of the man’s wife, the emergency room physician concludes that this episode was triggered by which of the following agents?
Answer: Indirect pupillary reflex normal
Q: A 25 year old male gives history of sudden painless loss of vision in one eye for the past 2 weeks. There is no history of trauma. On examination the anterior segment is normal but there is no fundal glow. Which one of the following is the most likely cause?