The company version Type 98 is fitted with an X4 telescope optical sight with a night visionchannel (300m range).
连级98型装配有一个夜视通道X4望远镜白光瞄准镜(300米距离)。
2
The traditional measurement usually USES flash VEP and pattern VEP to monitor the visionchannel. But these methods have strong side effect, they can damage eyeball and damage the patients.
Vision is one of the most important sensory channel in human beings. It is evaluated that at least 70% of information is received and perceived through vision.