It is caused by damage to the blood vessels in the eyes, and results in gradual vision loss and blindness.

它是由眼睛血管受损引起的，会导致视力逐渐丧失和失明。

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It is so large at 182 degrees that both eyes together offer all-round vision and even overlap at the front, creating an effect like binoculars.

视野大到182度的两只眼睛合在一起形成了全方位视野，甚至在前方重叠，产生了像双筒望远镜一样的效果。

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When crayfish are kept continuously in the dark, even for four to five months, their compound eyes continue to adjust on a daily schedule for daytime and nighttime vision.

当小龙虾持续被关在黑暗的环境中，即使是4到5个月，它们的复眼仍然可以继续按照日常生活时间，对昼夜视觉进行调节。

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Her latest baby, a male night monkey with dark fur, beige brows and large, protruding brown eyes for night vision, arrived at the center on Feb. 4, weighing a scant 100 grams, about a quarter of a pound.

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Ms. PROSE: Oh yeah, they were all - you know, vision and blindness and metaphors for eyes and similes for eyes and verbs that had something to do with sight.

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Her eyes, like snakes, penetrated my thoughts and fed them her abominable vision, the visions of a lower animal.

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