Excessive relaxation of the eyelid caused by loss of muscle tone.

Excessive, drooping eyelid skin caused by recurring swelling. Blepharochalasis typically occurs in young people.

Blepharochalasis is an inflammation of the eyelid that is characterized by exacerbations and remissions of eyelid edema, which results in a stretching and subsequent atrophy of the eyelid tissue. It typically affects only the upper eyelids, and may be unilateral as well as bilateral.