发明名称 Ophthalmologic apparatus, program, and storage medium of program
摘要 A control unit, if insertion of a diopter correction lens or retraction of the diopter correction lens is detected, moves a focusing lens to a position according to an insertion or retraction state of the diopter correction lens corresponding to a position of the focusing lens detected by a focusing lens position detection unit.
申请公布号 US9215976(B2) 申请公布日期 2015.12.22
申请号 US201113117021 申请日期 2011.05.26
申请人 Canon Kabushiki Kaisha 发明人 Itoh Hiroshi
分类号 A61B3/14;A61B3/00 主分类号 A61B3/14
代理机构 Canon U.S.A., Inc. IP Division 代理人 Canon U.S.A., Inc. IP Division
主权项 1. An ophthalmologic apparatus comprising: an imaging optical system configured to image reflected light from a fundus by an imaging unit via a focusing lens; a correction unit configured to correct a diopter by inserting a diopter correction lens into an optical path of the imaging optical system; and a control unit configured to control the correction unit, wherein the control unit is configured, if movement of the focusing lens to a position within a movable range of the focusing lens is detected while the diopter correction lens is not in the optical path, to control the correction unit to insert the diopter correction lens into the optical path and move a position of the focusing lens in a direction in which change in the diopter generated by insertion of the diopter correction lens is reduced, and wherein the control unit is configured, if movement of the focusing lens to a position within a movable range of the focusing lens and away from an end of the movable range by a predetermined distance is detected while the diopter correction lens is in the optical path, to control the correction unit to retract the diopter correction lens from the optical path and move a position of the focusing lens in a direction in which change in the diopter generated by retraction of the diopter correction lens is reduced.
地址 Tokyo JP
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