<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi doctor, I have been experiencing some symptoms with my eyes. They have been tearing up a lot lately and my eyelids have a rash on them.  <response>: It sounds like you may have blepharitis. Blepharitis is an inflammation of the eyelids that causes red, irritated and itchy eyelids, as well as crusting on the eyelashes and tears. It can be caused by bacterial infections or other factors. 