Levator resection, in moderate to severe ptosis, usually done in congenital ptosis, achieves 5 mm elevation of eyelid.

提上睑肌缩短术，通常适用于先天性的中到重度的上睑下垂患者，可以达到眼睑上提 5 mm。

Brow suspension in very severe ptosis.

非常严重患者需要采用额肌提吊术。

Any disease affecting them would lead to ptosis or drooping of upper eyelid.

任何影响他们的疾病都会导致上睑下垂。

Conjunctival and muller resection, in mild ptosis, achieves 2-3 mm elevation of eyelid.

结膜和穆勒肌切除，对于轻度上睑下垂患者，可使眼睑抬高 2-3 mm。

Horner syndrome involves miosis or constriction of the pupils, ptosis or the drooping of the eyelid, and anhidrosis which is an inability to sweat in the face.

Horner综合征包括瞳孔缩小、上睑下垂以及面部无汗。

When this nerve is injured, it causes Horner's syndrome, which is a triad of three symptoms: meiosis or constricted pupil, ptosis (a droopy eyelid), and anhidrosis (the inability to sweat).

T1受损会引起Horner综合征，由一组三联征构成——瞳孔缩小、上睑下垂、无汗。

Myasthenia gravis can affect the extraocular muscles, which control movement of the eye as well as the eyelids, so individuals might have diplopia or double vision, as well as ptosis, or drooping eyelids.

重症肌无力能影响眼外肌，而眼外肌控制着眼睛、眼睑的运动，所以患者可能会有复视以及眼睑下垂。

This leads to Horner's syndrome on the same side of the face as the lesion, which include symptoms of miosis or constricted pupil, ptosis or droopy eyelid, and anhidrosis or failure to sweat.

这会导致在病损同侧脸部出现霍纳综合征，症状包括瞳孔缩小、眼睑下垂与脸部无汗。