Ptotsis is the medical term used to describe sagging of the upper eyelid. It can affect only one eye or both eyes, and its severity may vary from case to case. Although painless, a major ptosis can significantly affect the field of vision. When a patient presents with a severe case of ptosis, his or her eye seem constantly closed.
You should know that Bellevue clinics have all the latest technologies available to diagnose and monitor cases of eyelid ptosis.