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    • 11. 发明公开
    • A microscope for ophtalmologic surgery
    • 用于眼科手术的显微镜
    • EP2556792A1
    • 2013-02-13
    • EP12005689.0
    • 2012-08-02
    • Kabushiki Kaisha Topcon
    • Kitajima,NobuakiSato, Toshiaki
    • A61B3/13A61B3/14A61B3/00A61B3/036A61B3/103A61F9/007
    • A61B3/14A61B3/1035A61B90/20
    • The microscope for ophthalmologic surgery 1 can perform astigmatism measurement for a patient's eye E by using a projection-image forming part 13 attached to a microscope 6. The projection-image forming part 13 is provided with multiple bright points (LEDs 131-i) for astigmatism measurement that are arranged in a ring, and a fixation target 131c arranged inside the ring-shaped arrangement. Based on a photographed image of the patient's eye E in a state in which the LEDs 131-i and the fixation target 131c are projected thereto, a displacement calculating part 92 detects the fixation state of the patient's eye E relative to the fixation target 131c. A controller 60 controls the LEDs 131-i and the fixation target 131c based on the detection result of the fixation state.
    • 用于眼科手术的显微镜1可以通过使用安装在显微镜6上的投影图像形成部件13对患者的眼睛E进行像散测量。投影图像形成部件13设置有多个亮点(LED131-i),用于 配置成环形的像散测量,以及布置在环形布置内的固定目标131c。 位移计算部92基于投影LED131-i和注视对象131c的状态下的患者的眼睛E的拍摄图像,检测患者的眼睛E相对于注视对象物131c的注视状态。 控制器60基于固定状态的检测结果来控制LED 131-i和固视目标131c。
    • 13. 发明公开
    • Optometry apparatus
    • Optometrievorrichtung
    • EP1676523A1
    • 2006-07-05
    • EP05027244.2
    • 2005-12-13
    • Kabushiki Kaisha TOPCON
    • Sakurada, Tomohiro
    • A61B3/036
    • A61B3/036
    • The optometry apparatus includes an index projecting optical system for projecting an index for cross cylinder test to an eye for shortening examination time, a variable cross cylinder lens disposed on an optical axis of the index projecting optical system, for forming one pair of projection images of the index by switching of an astigmatic axial angle while predetermined astigmatic power is set, a joystick lever and a button used to input a result of comparison between appearance states of the pair of projection images of the index, and an initial value setting unit for determining an astigmatic axial angle of the variable cross cylinder lens to cause one of the pair of projection images of the index visually recognized and to cause the other thereof in a blurred state based on objective values of astigmatic power and an astigmatic axial angle of the eye, measured in advance, and for setting the determined astigmatic axial angle as an initial value for astigmatic axial angle measurement.
    • 验光装置包括:折射率投影光学系统,用于将用于十字筒测试的折射率投射到眼睛以缩短检查时间;设置在折射率投影光学系统的光轴上的可变十字圆柱透镜,用于形成一对投影图像 通过切换散光轴向角度,同时设定预定的散光功率的索引,操纵杆和用于输入索引的一对投影图像的出现状态之间的比较结果的按钮,以及初始值设定单元,用于确定 可变交叉柱面透镜的散光轴向角度,使视觉识别出的索引的一对投影图像中的一个视觉识别,并且基于像散像素和像散角轴的角度的目标值将其另一个呈模糊状态, 预先测量,并将确定的散光轴角设置为散光轴角测量的初始值 NT。