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原理眼前如有物体迅速移动时,双眼同时产生水平震颤。通过一反光系统装置观察被检查者是否发生眼球震颤,即可准确客观地检出患者是否看见暗适应计内移动的视标,防止虚假伪差。特点1.他觉检查用一般之暗适应计检查时,从视标出现到患者看见视标为止,均只能进行主观检查,发生虚假伪差时,检查者无从发现,用本计可客观检查,防止这个缺点。2.准确性高装有爆光灯,眼经过爆光后,结果更为正确,同时装有电表,检查中可自动记录时间。3.多种用法除了进行他觉检查外,
Principle If there is an object in front of rapid movement, both eyes produce tremor at the same time. A reflex system device is used to observe whether the subject is nystagmus, to accurately and objectively detect whether the patient sees the visual target moving in the dark adaptation meter and prevent false artifacts. Characteristics 1. He felt the inspection with the general dark adaptation test, from the appearance of the visual mark until the patient saw the visual target so far, can only be subjective examination, the occurrence of false artifacts, the examiner can not be found, the objective can be used to check the project , To prevent this shortcoming. 2. Accuracy High with a pop-up lamp, the eye after exposure to light, the result is more correct, and equipped with a meter, the inspection can automatically record the time. 3. A variety of usage In addition to his examination,