1·The theory is that a white sclera surrounding a darker iris and pupil helps people work out where everyone else is looking.
该理论认为，围绕在深色虹膜和瞳孔周围的白色巩膜帮助人们判断出其他人在看哪里。
2·They are caused by bleeding between the conjunctiva and the sclera.
它们是由结膜和巩膜间的出血造成的。
3·All 200 or so species of primates have dark eyes and a barely visible sclera.
所有200种左右的灵长类动物都有黑色的眼睛和几乎不可见的巩膜。
4·This Dragon Eye contact lens is a full sclera covering contact lens that has a neon green and dark green outside that looks like the scales of a dragon or a lizard.
“龙眼”隐形镜片是一款完全覆盖巩膜的镜片，带着霓虹绿和暗绿的边框，看起来像是恐龙或是蜥蜴的鳞片。
5·Patients typically report photophobia, watering, foreign body sensation, grittiness, pain, or circumcorneal injection of the sclera.
典型的病人会表现出畏光，流泪，异物感，沙粒感，疼痛，或角膜缘的巩膜充血等症状。