The Optec3500 Vision Tester can sensibly accurately and quantitatively examine the monocular and binocular visual functions.
Optec3500视觉检查仪能够敏感、准确、定量地检测单、双眼的视功能情况。
The principle of vision limit comparison tester is described. The design process and tested results of the tester performance parameters are given.
叙述视觉极限对比测试仪的原理，介绍该仪器系统的设计过程，给出仪器性能参数的实际测试结果。
The principle of vision limit comparison tester is described. The design process and tested results of the tester performance parameters are given.
叙述视觉极限对比测试仪的原理，介绍该仪器系统的设计过程，给出仪器性能参数的实际测试结果。
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