<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I am experiencing blindness, pain in my eye, diminished vision, eye redness, and a foreign body sensation. Can you please tell me what is wrong with my eye?  <response>: Based on your symptoms, it seems like you are suffering from acute glaucoma, an eye condition caused by a sudden increase in intraocular pressure. It is a medical emergency and requires urgent treatment. 