The optical system of the eye stimulate cell of the retina.

眼睛的视觉系统刺激视网膜内的细胞。

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VEGF receptor-2 (VEGFR2) expression was detected in several neuronal cell layers of the retina, and functional analyses showed that VEGFR2 was involved in retinal neuroprotection.

在视网膜的各个神经细胞层中可检测到VEGF受体2（VEGFR2） ，并且功能分析表明VEGFR2与视网膜的神经保护作用有关。

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Coenzyme Q10 plays an important role in preventing the photic injury of retina and optic cell apoptosis.

结论辅酶Q 10对光损伤引起的视网膜损害及视细胞凋亡有较好的防护作用。

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But now Pfizer is betting that a radical new adult stem-cell treatment may be able to stave off diabetes-induced retina damage, a leading cause of blindness.

FORBES: Magazine Article

Some areas identified as particularly human are the regulation of the cone cells of the retina (which are involved in colour vision) and the regulation of nerve-cell growth.

ECONOMIST: Evolution