<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I am experiencing an eyelid lesion or rash, diminished vision, and leg weakness. What could this be?  <response>: Based on your symptoms, it is possible that you have Blepharospasm. This is a neurological condition that causes abnormal contractions or twitching of the eyelid muscles. It can also lead to diminished vision and muscle weakness in other parts of the body. 