<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, Ive been experiencing some symptoms of the eye like seeing halos around lights and experiencing blurred vision. In addition, Ive also noticed an abnormal movement of my eyelid, and Ive had some pain in my eye.  <response>: Based on your symptoms, it sounds like you may have a cataract. A cataract is a clouding of the lens in your eye that affects your vision. It can cause various symptoms such as halos around lights, blurred vision, and even pain in the eye. 