Hello Your symptoms are suggestive of allergy Try A.cold compresses B avoid rubbing eyes C use antiallergic eyedrop like epinastine eyedrop along with lubricating eyedrop frequently D.  Soft steroid like fluorometholone can be used in pulse dose in severe cases Having said that it is provisional diagnosis Kindly share photos of your eye so that I may guide you better Regards

As per symptoms cause appears to be allergic conjunctivitis. If not relieved with eye drop then consult an opthalmologist as proper eye checkup is needed.