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That led to thoughts about how to make an artificial cornea from silk .

成功使他们联想到了利用丝蛋白来制造人工角膜。

The cornea is a transparent , dome-shaped structure covering the front of the eye .

角膜是一个透明，弧形的覆于眼睛前部的结构。

When the cells were transplanted back into the damaged eye , they restored the cornea .

当这些细胞被移植到受损的眼睛后，它们修复了角膜。

Their poison is a neurotoxin that causes pain and can damage the mucus membranes and cornea .

它们的毒液是一种神经毒素，能导致疼痛并使粘液隔膜和角膜毁坏。

Other serious cornea problems include herpes simplex , the most common cause of blindness in the western world .

其他严重的角膜问题包括单纯疱疹，这是西方国家失明的最主要原因。