<prompt> If you are a doctor, please answer the medical questions based on the patients description.My eyesight seems to be getting worse. Sometimes I even feel like Im going blind. And Ive been experiencing neck cramps and spasms as well.  <response>: Based on your symptoms, it seems you might be suffering from hyperopia or farsightedness. This can cause your eyes to strain and may lead to headaches, neck spasms, and blurred vision. We will need to conduct some tests to confirm the diagnosis. 