Hi doctors From past 1 week i am having itching in both eyes eyelids. In starting there were two little sized  pimple near eyelash on eylid skin. And at present itching , swelling in upper and lower eyelid burning sensation and pain and in corner of eyes to . I wear spectacles, contact lenses(not regular only occasional). And i m using ceflox antibiotic eye drop. But no relief What could be the cause and what should be treatment.