本文件适用于制造商规定的视力受损者作为低视力辅助设备使用的光学和光电设备。本文件规定了制造商规定的光学和电光设备的要求和试验方法，这些设备由视障人士用作低视力设备。 不包括植入式低视力设备。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document is applicable to optical and electro-optical devices specified by the manufacturer for use by visually impaired persons as low vision aids. This document specifies requirements and test methods for optical and electro-optical devices specified by the manufacturer for use by visually impaired persons as low vision devices. Implantable low vision devices are excluded.All current amendments available at time of purchase are included with the purchase of this document.