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眼科測定装置
专利权人:
NIDEK CO LTD
发明人:
TAKII MICHIHIRO,滝井 通浩,HANEBUCHI MASAAKI,羽根渕 昌明
申请号:
JP2016194228
公开号:
JP2018051224A
申请日:
2016.09.30
申请国别(地区):
JP
年份:
2018
代理人:
摘要:
PROBLEM TO BE SOLVED: To provide an ophthalmologic measurement apparatus which can properly correct diopter with a simple structure.SOLUTION: An ophthalmologic measurement apparatus for measuring optical feature of an eye to be examined comprises: a projection optical system 10a for radiating a measurement light to the eye to be examined a light reception optical system 10b having a conversion member 20 for converting the measurement light which is reflected on a fundus oculi of the eye to be examined into plural light fluxes and a light reception element 22, and forming an image on the light reception element with the measurement light through the conversion member diopter correction means for adjusting a focusing state when the image is formed on the light reception element with the measurement light a shading unit 50 having a shading member 51 for shading a part of the measurement light and switching means for switching the shading state of the measurement light by the shading member and control means for, in a state in which the part of the measurement light is shaded by the shading unit, based on a light reception result of the measurement light received on the light reception element, controlling the diopter correction means.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】簡単な構成で適正に視度補正を行う眼科測定装置を提供する。【解決手段】被検眼の光学特性を測定する眼科測定装置であって、前記被検眼に測定光を照射する投光光学系10aと、前記被検眼の眼底によって反射した前記測定光を複数の光束に変換させるための変換部材20と、受光素子22と、を有し、前記変換部材を介して前記測定光を前記受光素子に結像させる受光光学系10bと、前記測定光が前記受光素子に結像されるときの合焦状態を調節するための視度補正手段と、前記測定光の一部を遮光する遮光部材51と、前記遮光部材による前記測定光の遮光状態を切り換える切換手段と、を有する遮光ユニット50と、前記遮光ユニットによって前記測定光の一部が遮光された状態で、前記受光素子に受光された前記測定光の受光結果に基づいて、前記視度補正手段を制御する制御手段と、を備えることを特徴とする。【選択図】図1
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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