验光仪顶焦度的不确定度分析与影响因素探讨

Uncertainty Analysis and Influencing Factors of Vertex Power for Eye Optometers

文中通过探讨JJG 892-2011《验光仪检定规程的测量方法》,对客观式验光仪在测量中存在影响检定结果的因素进行分析,提出了验光仪顶焦度示值误差测量不确定度的计算方法。

According to discussing the measurement method of JJG 892-2011 "eye optometers verification regulation", the factors that affect the verification results of objective eye optometers in the metrological verification are analyzed, and the calculation method of measurement uncertainty of indication error of power for eye optometers is proposed.