目前国内因各种眼疾而需配镜校正者数量可观。常规验光方法中扩瞳法虽较科学，但因不方便使不少患者难地接受；插片法虽简单，但误差较大；电脑验光不仅设备昂贵，且因误差大，仍需插片校正。因此，市场急需一种使用方便，结果准确，价格适中的验光设备。郑州工业大学最近研制 At present, due to various eye diseases and the need for glasses correction a considerable number. Conventional optometry pupil pupil method is more scientific, but inconvenient to make a lot of patients difficult to accept; insert method is simple, but the error is larger; computer optometry is not only expensive equipment, and the error is still large, still need to insert correction . Therefore, the market is in urgent need of a convenient, accurate and affordable optometry equipment. Zhengzhou University of Technology recently developed