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目的 探讨Hertel(三棱镜)式突眼计的设计方案。方法 从光学角度对Hertel(三棱镜)式突眼计进行定性分析。结果 光学结构的不合理性造成测量上不可避免的误差。结论 Hertel(三棱镜)式突眼计的设计存在缺陷,并对之提出改进方案。
Objective To investigate the design of Hertel (Prism) Methods The optical properties of Hertel-type goniometer were analyzed qualitatively. As a result, the irrationality of the optical structure causes unavoidable errors in the measurement. Conclusion The design of Hertel-type exophthalmeter has defects, and proposes the improvement plan.