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Ptosis (eyelid)

From Simple English Wikipedia, the free encyclopedia
Ptosis of the eyelids
Ptosis of the left eyelid (unilateral ptosis). A headshot daguerreotype of an unidentified male, by William Bell in 1852.
Medical specialtyOphthalmology, neurology

Ptosis, also known as blepharoptosis,[1] is a drooping or falling of the upper eyelid.

The drooping may be worse after being awake longer when the individual's muscles are tired.

This condition is sometimes called "lazy eye", but that term normally refers to the condition amblyopia.

References[change | change source]

  1. Mark W. Leitman (2007). "External structures". Manual for Eye Examination (9 ed.). Wiley Blackwell. p. 61.