<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been experiencing some strange symptoms lately. My vision seems to be getting worse, Im having trouble swallowing, and I feel weak and faint a lot. What could be wrong with me?  <response>: Based on those symptoms, its possible that you have Wilson disease. Wilson disease is a genetic disorder that causes copper to build up in the body, which can lead to a wide range of symptoms including diminished vision, difficulty swallowing, weakness, and fainting. Its important that we do some tests to confirm the diagnosis and start treatment right away. 