LASIK eye surgery changes the shape of your cornea—the transparent membrane that arcs over your pupil and the colored part of your eye (iris).
LASIK 眼科手术改变了你的角膜的形状——角膜是覆盖在你的瞳孔和你的眼睛的有色部分（虹膜）上的弧形透明膜。
Living underground can depress production of the chemicals that help dilate and contract the pupil in response to changes in light.
由于长期处于地下，作为对光照减少的反应，帮助瞳孔扩张和收缩的化学物质的产生会相应减少。
Objective: To observe the pupil diameter changes of different diopter under different rays.
目的：观察不同的屈光度在不同光线下瞳孔直径的变化。
LASIK eye surgery changes the shape of your cornea - the transparent membrane that arcs over your pupil and the colored part of your eye.
LASIK眼科手术通过改变角膜的形状矫正视力。角膜是覆盖在瞳孔和虹膜上的弧形的透明膜。
LASIK eye surgery changes the shape of your cornea - the transparent membrane that arcs over your pupil and the colored part of your eye (iris).
角膜是覆盖在瞳孔和虹膜(眼睛的有色部分)上的弧形的透明膜。
LASIK eye surgery changes the shape of your cornea - the transparent membrane that arcs over your pupil and the colored part of your eye (iris).
角膜是覆盖在瞳孔和虹膜(眼睛的有色部分)上的弧形的透明膜。
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