Itchy eyes are usually considered to be caused by inflammation of the conjunctiva of the corner of the eye, the inner canthus or the eyelid, usually allergic factors are common, as follows: 1, chronic inflammation of the corner of the eye: itchy eyelids accompanied by conjunctival congestion, foamy secretion, considered to be the corner of the eye caused by chronic inflammation; 2, allergic inflammation: common allergic inflammation, for example, spring allergic conjunctivitis, seasonal allergic conjunctivitis and rapid-onset allergic conjunctivitis, the main manifestations of the Itchy eyes, accompanied by pull-like discharge, conjunctival congestion, for these itchy eyes, usually have allergic factors in it; 3, dry eye can also lead to itchy eyes. Itchy eyes, the first step to relieve the symptoms is the need for cold compresses, which can effectively relieve the symptoms of itchy eyes and congestion. In addition, you can follow the doctor’s instructions to use anti-allergy drugs to relieve the symptoms of itchy eyes.