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眼屈折力測定装置
专利权人:
株式会社ニデック
发明人:
羽根渕 昌明,滝井 通浩,郷野 光宏
申请号:
JP2013023878
公开号:
JP6221249B2
申请日:
2013.02.08
申请国别(地区):
JP
年份:
2017
代理人:
摘要:
PROBLEM TO BE SOLVED: To provide an eye refractive power measuring apparatus capable of measuring an eye refractive power value by a method different from the conventional one.SOLUTION: The eye refractive power measuring apparatus comprises: a measuring optical system including a projection optical system for projecting a measurement index onto a fundus of a subjects eye, and a light receiving optical system for causing a light-receiving element to receive a reflected luminous flux from the fundus by the measurement index and arithmetic means that acquires a first eye refractive power characteristic regarding a first pupil area of the subjects eye on the basis of a light receiving signal from the light receiving element, and a second eye refractive power characteristic regarding a second pupil area formed outside the first pupil area and measures the eye refractive power of the subjects eye. The arithmetic means acquires a third eye refractive power characteristic by calculating a weighted average of the first eye refractive power characteristic and the second eye refractive power characteristic.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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