Built-in dioptric correction adjusts to each user 's eyesight .
内置调整到每个用户的视力屈光度校正。
A collecting and processing system is designed for the dioptric measurement .
设计了一套光焦度测量采集处理系统。
Some forms of astigmatism , etc. , may make dioptric eyepiece correction not possible . Please check with your optician for a recommendation based on your prescriprion .
