<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have a problem with my eye. I feel itchiness and foreign body sensation along with eyelid swelling. Also, my vision is diminished. What could be the cause of my symptoms?  <response>: It looks like you have a chalazion, which is a small bump that appears on the eyelid due to clogged oil glands. It can cause eye irritation and vision problems, but its not a serious condition. We can discuss treatment options to alleviate your symptoms. 