ptosis

/toh-sis/US // ˈtoʊ sɪs //UK // (ˈtəʊsɪs) //

上睑下垂,下垂,眼睑下垂,上睑下垂症

Definitions

n.名词 noun

1
Pathology.
- : a drooping of the upper eyelid.
- : prolapse or drooping of any organ.

This was diagnosed as ptosis of his organs, and an operation was done to tuck these up.
When the ptosis got very bad he would hold his eyelid up with one hand while he wrote.
This operation is performed for cases of ptosis in which there is partial or complete loss of upward movement of the lid.
They are often preceded by strabismus, with or without ptosis; the strabismus, is usually accompanied by amblyopia.
The levator palpebrae superioris is paralysed, and the resulting ptosis completes the picture.