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It's a medical word for a drooping eyelid.Ptosis (pronounced ``toe-sis``) is a condition in which there is drooping of upper eyelid.Ptosis is a condition due to malfunctioning of the elevator palpebrate superioris (LPS) muscle, which is responsible for raising the upper eyelid.
It can be congenital or acquired
Ptosis is characterised by a noticeable drooping of the upper eyelid. Ptosis can result in a cosmetic difference between the eyelids or give the patient a ‘sleepy' appearance.
Ptosis repair can be surgical or medical. Ptosis repair is a simple surgical operation that involves strengthening the eyelid-lifting muscle. This can be done from the inside of the eyelid or via the skin of the eyelid.