<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been experiencing knee cramps or spasms lately and my eyes are burning and itching. Im also seeing double.  <response>: Based on your symptoms, you might have chorioretinitis. It is an inflammation of the retina and choroid which can cause double vision and burning or stinging of the eyes. The knee cramps or spasms may be unrelated to the condition. Well need to do some further tests to confirm the diagnosis. 