EYE ASSESSMENT DEVICES AND METHODS TO ASSESS EYESIGHT
    2.
    发明公开
    EYE ASSESSMENT DEVICES AND METHODS TO ASSESS EYESIGHT 审中-公开
    眼睛评估装置和评估眼睛的方法

    公开(公告)号:EP3311733A1

    公开(公告)日:2018-04-25

    申请号:EP16194932.6

    申请日:2016-10-20

    IPC分类号: A61B3/032 A61B3/00

    摘要: The disclosed embodiments include eyesight assessment devices and methods to assess eyesight. In one embodiment, an eyesight assessment device includes a medium having one or more imaging functionalities and operable to project images for display based on the one or more imaging functionalities. The device also includes an optical source operable to project light and being positioned at one or more positions relative to the medium, such that at least one of images are projected from the medium based on the position of the optical source relative to the medium and the one or more imaging functionalities of the medium, where each image corresponds to an object provided for display at a virtual distance relative to a user of the eyesight assessment device, and where each image includes one or more of user assessable display characteristics that are indicative of a visual condition of the user.

    摘要翻译: 所公开的实施例包括视力评估装置和评估视力的方法。 在一个实施例中,视力评估装置包括具有一个或多个成像功能的介质,并且可操作用于基于一个或多个成像功能投影图像以进行显示。 该装置还包括光源,该光源可操作以投射光并且相对于介质定位在一个或多个位置处,使得基于光源相对于介质的位置从介质投影至少一个图像,并且 所述介质的一个或多个成像功能性,其中每个图像对应于被提供用于相对于所述视力评估设备的用户在虚拟距离处显示的对象,并且其中每个图像包括一个或多个用户可评估显示特征, 用户的视觉状况。

    OPHTHALMIC APPARATUS
    4.
    发明公开
    OPHTHALMIC APPARATUS 审中-公开
    眼科设备

    公开(公告)号:EP3210526A1

    公开(公告)日:2017-08-30

    申请号:EP15851843.1

    申请日:2015-10-07

    摘要: A technology for achieving a reduction in size of an ophthalmic apparatus capable of performing a plurality of kinds of measurements performed before cataract surgery is provided. An ophthalmic apparatus of an embodiment includes a refractive power measurement unit and an eyeball information measurement unit. The refractive power measurement unit is configured to project light from a light source onto a subject's eye and detect returning light thereof to determine refractive power of an ocular optical system of the subject's eye. The eyeball information measurement unit is configured to project light from the same light source onto the subject's eye and detect returning light thereof to determine eyeball information representing structure of the subject's eye.

    摘要翻译: 提供了一种用于实现能够执行白内障手术之前执行的多种测量的眼科设备的尺寸减小的技术。 一个实施例的眼科装置包括屈光力测量单元和眼球信息测量单元。 屈光力测量单元被配置为将来自光源的光投射到对象的眼睛上并检测其返回光以确定对象眼睛的眼睛光学系统的屈光力。 眼球信息测量单元被配置为将来自相同光源的光投射到被检眼上并检测其返回光以确定表示被检眼的结构的眼球信息。

    HAND-HELD VISION DETECTING DEVICE AND VISION DETECTING METHOD
    5.
    发明公开
    HAND-HELD VISION DETECTING DEVICE AND VISION DETECTING METHOD 审中-公开
    TRAGBARE SICHTNACHWEISVORRICHTUNG UND SICHTNACHWEISVERFAHREN

    公开(公告)号:EP3069651A4

    公开(公告)日:2017-08-23

    申请号:EP14861549

    申请日:2014-09-18

    IPC分类号: A61B3/036

    摘要: Disclosed are a hand-held vision detecting device and a method for using the hand-held vision detecting device to realize various eyesight measurements without wearing glasses and the steps therefor, wherein the hand-held vision detecting device at least comprises: an imaging lens group consisting of at least one imaging lens (16) and an eye chart (4). The cornea (15) of the subject can be located at the focal point at one side f the imaging lens group (16). The center of the eye chart (4) is provided at the other side of the imaging lens group (16) and can move forwards and backwards along the optical path. By using this device, the following functions can be achieved: 1. visual acuity measurement of the naked eye; 2. corrected visual acuity measurements; 3. measurements for detecting the strength of the glasses which should be worn when the corrected visual acuity is 1.0; 4. poor vision and amblyopia vision detection; and 5. astigmatism detection. People can detect vision anytime and anywhere through this device and detection method via simple and easy operations, and the detection results are accurate.

    摘要翻译: 本发明公开了一种手持式视力检测装置以及使用该手持式视力检测装置实现各种视力测量而无需佩戴眼镜及其步骤,其中手持式视力检测装置至少包括:摄像透镜组 包括至少一个成像透镜(16)和视力表(4)。 对象的角膜(15)可以位于成像透镜组(16)的一侧的焦点处。 视力表(4)的中心设置在成像透镜组(16)的另一侧,并且可以沿着光路前后移动。 通过使用此设备,可以实现以下功能:1.肉眼视力测量; 2.矫正视力测量; 3.用于检测当矫正视力为1.0时应该佩戴的眼镜的强度的测量; 4.视力不佳和弱视视觉检测; 和5.散光检测。 人们可以通过该设备和检测方法随时随地通过简单易用的操作检测视力,检测结果准确无误。

    DETERMINING GLOBAL SHAPE PARAMETERS OF A CORNEA USING A TWO-FOLD FITTING FROM MEASUREMENT DATA TO AN ASPHERIC TORIC SURFACE MODEL
    6.
    发明公开
    DETERMINING GLOBAL SHAPE PARAMETERS OF A CORNEA USING A TWO-FOLD FITTING FROM MEASUREMENT DATA TO AN ASPHERIC TORIC SURFACE MODEL 审中-公开
    角膜的测定通用表单参数使用测量的ZWEIFALTIGEN形片上的非球面,复曲面模型

    公开(公告)号:EP3082566A1

    公开(公告)日:2016-10-26

    申请号:EP14828346.8

    申请日:2014-12-19

    申请人: Cassini B.V.

    IPC分类号: A61B3/036 A61B3/107

    摘要: A method of determining global shape parameters of a cornea is disclosed, the method comprising: -determining a height map of a cornea by: i. Illuminating a cornea of an eye using a stimulator source comprising a plurality of point sources; ii. capturing a reflected image of the plurality of point sources and determining a position of reflections of the respective plurality of point sources and iii. deriving the height map of the cornea based on a position of the plurality of point sources and the position of the reflections of the respective plurality of point sources; - fitting the height map as derived to a toric aspheric model to obtain a global fitting of the corneal surface to the toric aspheric model and; - using the global fitting to determine one or more parameters related to an astigmatism of the cornea.

    摘要翻译: 挖掘角膜的确定性全局形状参数的方法,包括确定开采的角膜的高度图的条件:使用具有点光源的多个A刺激源照亮眼睛的角膜; 捕获点源和确定性采矿点源的respectivement多个反射的位置的多个反射图像和基于点源的多个位置和respectivement的反射的位置导出所述角膜的高度图 点源的多个; 拟合高度地图作为衍生于复曲面的非球面模型,以获得角膜表面到非球面复曲面模型和一个全局拟合; 使用全局拟合确定性矿在角膜散光与一个或多个参数。

    HAND-HELD VISION DETECTING DEVICE AND VISION DETECTING METHOD
    7.
    发明公开
    HAND-HELD VISION DETECTING DEVICE AND VISION DETECTING METHOD 审中-公开
    TRAGBARE SICHTNACHWEISVORRICHTUNG UND SICHTNACHWEISVERFAHREN

    公开(公告)号:EP3069651A1

    公开(公告)日:2016-09-21

    申请号:EP14861549.5

    申请日:2014-09-18

    IPC分类号: A61B3/036

    摘要: Disclosed are a hand-held vision detecting device and a method for using the hand-held vision detecting device to realize various eyesight measurements without wearing glasses and the steps therefor, wherein the hand-held vision detecting device at least comprises: an imaging lens group consisting of at least one imaging lens (16) and an eye chart (4). The cornea (15) of the subject can be located at the focal point at one side f the imaging lens group (16). The center of the eye chart (4) is provided at the other side of the imaging lens group (16) and can move forwards and backwards along the optical path. By using this device, the following functions can be achieved: 1. visual acuity measurement of the naked eye; 2. corrected visual acuity measurements; 3. measurements for detecting the strength of the glasses which should be worn when the corrected visual acuity is 1.0; 4. poor vision and amblyopia vision detection; and 5. astigmatism detection. People can detect vision anytime and anywhere through this device and detection method via simple and easy operations, and the detection results are accurate.

    摘要翻译: 公开了一种手持式视觉检测装置和使用手持式视觉检测装置来实现不戴眼镜的各种视力测量及其步骤的方法,其中手持式视觉检测装置至少包括:成像透镜组 由至少一个成像透镜(16)和眼图(4)组成。 受试者的角膜(15)可以位于成像透镜组(16)的一侧的焦点处。 眼图(4)的中心设置在成像透镜组(16)的另一侧,并且可以沿着光路向前和向后移动。 通过使用该装置,可以实现以下功能:1.肉眼的视力测量; 2.矫正视力测量; 3.用于检测当矫正视力为1.0时应佩戴的眼镜强度的测量; 视力不佳和弱视视力检测不佳; 和5.散光检测。 人们可以通过简单易用的操作,通过这种设备随时随地检测视觉和检测方法,检测结果准确。

    Optometry apparatus
    10.
    发明公开
    Optometry apparatus 审中-公开
    Optometrievorrichtung

    公开(公告)号:EP1676523A1

    公开(公告)日:2006-07-05

    申请号:EP05027244.2

    申请日:2005-12-13

    IPC分类号: A61B3/036

    CPC分类号: A61B3/036

    摘要: 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.

    摘要翻译: 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。