验光仪顶焦度的不确定度分析与影响因素探讨

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摘要: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。
关键词:客观式验光仪;顶焦度;不确定度
Uncertainty Analysis and Influencing Factors of Vertex Power for Eye Optometers
ZHAO Xin
(Fujian Metrology Institute, Fuzhou 350003, Fujian China)
Abstract: 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.
Key Words: Objective eye optometers; Vertex power; Uncertainty
0引言
随着近视人口的增加以及大众对近视预防意识的增强,人们越来越重视视力和眼科疾病问题,市面上眼镜店越开越多,各大医院眼科的门前络绎不绝。(剩余2717字)