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Non-contact tonometer
专利权人:
株式会社ニデック
发明人:
滝井 通浩
申请号:
JP2012217446
公开号:
JP5924220B2
申请日:
2012.09.28
申请国别(地区):
JP
年份:
2016
代理人:
摘要:
PROBLEM TO BE SOLVED: To provide a noncontact-type tonometer capable of suitably measuring an intraocular pressure and a cornea thickness with a simplified configuration.SOLUTION: A noncontact-type tonometer comprises: fluid blowing means for blowing a fluid to a cornea Ec of a subject's eye; a first light-projecting optical system 500a for emitting first illumination light toward the cornea Ec of the subject's eye from an oblique direction; a first light-receiving optical system 500b for receiving the first illumination light reflected from a cornea surface of the subject's eye to detect a deformation shape of the cornea Ec deformed by the fluid blowing means; intraocular pressure measurement means for measuring the intraocular pressure of the subject's eye in a noncontact manner; a second light-projecting optical system 70a for emitting second illumination light toward the cornea Ec of the subject's eye from an oblique direction; a second light-receiving optical system 70b for receiving the reflected light from the cornea surface of the subject's eye and the reflected light from a cornea rear surface of the subject's eye; and cornea thickness measurement means for measuring the cornea thickness of the subject's eye in a noncontact manner. In the noncontact-type tonometer, the optical axis of the first light-projecting optical system 500a and the optical axis of the second light-receiving optical system 70b are aligned, and the optical axis of the first light-receiving optical system 500b and the optical axis of the second light-projecting optical system 70a are aligned.
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中国工程科技知识中心
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