视光学基础实验指导与报告 能识别者记为手动，同时记录检查距离，则其视力记录为“手动/距离。 6、如果被检者仍不能识别眼前手动，则检查光感（light perception, LP）。 （1）在暗室中，嘱被检者用遮眼板或手掌遮挡另眼，用烛光或手电照射被检眼，测试能否感觉光亮，记录为
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no light perception 无光感 ; 无光觉
late no light perception eye 晚期无光感眼
The visual acuity prior to operation of one case was 0.02,5 cases were hand move to hand move/20cm,4 eyes were light perception.
术前视力0.02的1只眼,手动／20cm～手动／眼前5只眼,4眼为光感。
参考来源 - 急性视网膜坏死综合征晚期病例的临床分析IntroductionVisual(vision)mainly includes light perception,color and form,it is important for people to feel outside of the system.
目的视觉(vision)主要包括光觉、色觉和形觉,它是人感受外界的重要功能之一。
参考来源 - 不同刺激野的视觉诱发电位（P·2,447,543篇论文数据，部分数据来源于NoteExpress
Root cap was the site of light perception.
感受光刺激的部位是根冠。
They help control practically every bodily process, including cell growth, hormone secretion and light perception.
它们参与控制几乎所有的人体过程，包括细胞生长，激素分泌，与光感受。
In old-forest stands, the test trees had higher feedback values to the landscape elements such as arrangement of trees, light perception, and variation of tree size.
受测者对景区内古树群落树木排列、光感、树木大小变异等景观要素反应值较高；
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