简述眼镜片顶焦度标准

Briefly introduction on the standard for vertex power of spectacle

本文叙述了焦度计的误差,顶焦度标准镜片内表面弯度的选择原则,以及标准镜片的测量方法等。并指出必须不折不扣地贯彻与执行对焦度计实施强制检定。

This paper describes the error in focimeters, the principle of selection on curvature of inside face for vertex power of standard lenses and the method for measuring them. It also emphasized the importance of compulsory metrological controls on focimeters.