Age, certain diseases, and certain cosmetic treatments can affect the muscles and skin of the upper and lower eyelids in several ways. Often the problem is simply cosmetic, but in other cases it may interfere with vision or cause eye irritation, leading to watery eyes and other difficulties.
An infection can cause eyelid irritation.Infection can be caused by bacteria, viruses, or fungi.Insects may bite or sting the eyelid.Irritation can be a symptom of an illness or allergy.Irritation can be caused by injury to the eye.Eyelids that turn in or out can be caused by eye injury or scarring.Eyelids that droop may not be strong enough to hold themselves open.
Common eyelid problems include excess eyelid skin, droopy eyelids or eyelids that turn inward or outward. The problems can cause eye discomfort, limit vision, and affect appearance. These problems are usually nothing to worry about, they can be corrected with surgery.