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Ptosis (eyelid) facts for kids

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Ptosis of the eyelids
1852 ptosis patient.jpg
Ptosis of the left eyelid (unilateral ptosis). A headshot daguerreotype of an unidentified male, by William Bell in 1852.

Ptosis, also known as blepharoptosis, 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.

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Ptosis (eyelid) Facts for Kids. Kiddle Encyclopedia.