Condition in which the upper eyelid(s) sag May be congenital or caused by a later problem associated with a nonfunctioning levator muscle Usually hereditary See Free Eye Tests
Drooping of upper eyelid May be congenital or caused by paralysis or weakness or third cranial nerve or sympathetic nerves, or by excessive weight of upper lids
condition in which the eyelid droops over the eye Can be present at birth or develop with age; also a possible complication of eye surgery, diabetes, stroke, or eye tumors
Ptosis is a drooping of the upper eyelid The lid may droop only slightly, or it may cover the pupil entirely In some cases, ptosis can restrict and even block normal vision It can be present in children, as well as adults, and is usually treated with surgery