ptosis

American  

[toh-sis] / ˈtoʊ sɪs /

noun

Pathology.

1. a drooping of the upper eyelid.

2. prolapse or drooping of any organ.

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ptosis British  

/ ˈtəʊsɪs, ˈtɒtɪk /

noun

1. prolapse or drooping of a part, esp the eyelid

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Other Word Forms

• ptotic adjective

Etymology

Origin of ptosis

1735–45; < New Latin < Greek ptṓsis a falling

Example Sentences

Doctors at Sunderland Royal Hospital were initially baffled and diagnosed her with ptosis, an eye condition characterised by the drooping of the upper eyelid, and told her to go home to rest.

From BBC

This process is called pyroptosis, from the Latin "pyro" for fire and the Greek "ptosis" for falling off, like the leaves of a tree.

From Salon

Madiysn has been diagnosed with visual impairments – alternating exotropia, convergence insufficiency and ptosis.

From Washington Times

Weller discovered that he had nearly every MG symptom listed except the most common: double vision and droopy eyelids known as ptosis.

From Washington Post

A classic sign of this is ptosis, when people can't keep their eyes open.

From BBC