Ptosis is a condition in which the upper eyelid droops. Ptosis (pronounced "toe-sis") can either be apparent at birth (congenital) or develop with age (involutional). Surgery restores the upper eyelid to its normal position and will often lead to better vision and improved appearance.

A child with congential ptosis should be examined by an ophthalmologist because they can have other associated eye problems. Surgery to correct ptosis is commonly recommended in the preschool years and the type of surgery varies, depending upon how much the eyelids droop.

Involutional ptosis develops with aging or it may worsen after other types of eye surgery or eyelid swelling. Ptosis may limit your side or even your central vision.