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    • 2. 发明申请
    • OPTICAL SYSTEM FOR A FUNDUS CAMERA
    • 基本摄像机的光学系统
    • WO2008077526A8
    • 2008-12-11
    • PCT/EP2007011089
    • 2007-12-18
    • ZEISS CARL MEDITEC AGKOSCHMIEDER INGODICK MANFREDBIERNAT DETLEFBUCHHEISTER JANMUELLER LOTHAR
    • KOSCHMIEDER INGODICK MANFREDBIERNAT DETLEFBUCHHEISTER JANMUELLER LOTHAR
    • A61B3/12A61B3/15G02B17/06G02B17/08
    • A61B3/156G02B17/0621G02B17/086
    • The invention relates to an optical system for a fundus camera for reflex-free ophthalmoscopy, said optical system comprising a beam path with refractive and reflecting optical elements that are substantially used both for observation and imaging. The invention is characterized by an imaging mirror system that substantially consists of a plurality of reflecting optical elements, in the form of mirrors (1 and 2), and that is used for the illumination and imaging of the fundus. At least one optical element, e.g. mirror (2) is configured as a free-form mirror having an imaging, reflecting free form surface. The optical elements are arranged inside a housing in a precisely defined position and orientation relative each other in such a manner that in a wide dioptric range of the patient's eyes (9) to be examined an imaging of the reflecting surfaces of the optical element onto the image of the imaged retina is avoided.
    • 本发明涉及一种用于无反射检眼镜的眼底照相机的光学系统,其具有光路,所述光路具有基本上一起用于照明和观察或记录的折射和反射光学元件。 对于眼底的照明和成像,基本上从多个反射光学元件,反射镜的形式的(1和2)现有的成像反射镜系统,所述至少一个光学元件,例如,反射镜(2),如一个自由形式的镜影像成像, 反射自由形式的表面被形成。 避免视网膜的图像上的光学元件的反射表面的图像在精确限定的位置和方向,以彼此的光学元件布置在壳体中这样的方式,即在(9)宽的屈光度范围的检查的患者眼睛的图示。
    • 3. 发明申请
    • FUNDUS CAMERA HAVING CONCENTRIC PUPIL DIVISION BETWEEN LIGHTING AND OBSERVATION OPTICAL PATH
    • 同心小学生DIVISION眼底相机之间照明和观测射线GEAR
    • WO2013186163A3
    • 2014-02-20
    • PCT/EP2013061898
    • 2013-06-10
    • ZEISS CARL MEDITEC AG
    • MOHR THOMASBUBLITZ DANIELTEIGE FRANKMUELLER LOTHAR
    • A61B3/15
    • A61B3/0008A61B3/12A61B3/158
    • The invention relates to a fundus camera for ophthalmological diagnostics, by means of which photographic exposures of the rear sections of the eye can be produced in order to make pathological changes visible and to document same. The fundus camera according to the invention consists of a light source having illumination optics, an opthalmoscope lens, imaging optics, an image sensor and a control and evaluation unit, wherein in order to deflect the observation optical path optical elements having differing dimensions and/or shapes which can be selectively introduced into the optical path are provided and a device for implementing different light ring geometries is arranged between the light source and the illumination optics. The invention relates to a fundus camera by means of which photographic exposures of the rear sections of the eye can be produced in order to make pathological changes visible and to document same. The fundus camera according to the invention, suitable both for mydriatic and non-mydriatic measurement procedures, produces photographic exposures of the rear sections of the eye having uniform, very good image quality.
    • 本发明涉及一种眼底照相机用于眼科诊断,与眼睛的后部的照相图像进行使病变可见和记录。 根据本发明的眼底相机包括一个照明源的具有照明光学部件,一种眼用透镜,成像光学系统,图像传感器和控制和评估单元,所述具有不同尺寸和/或形状的光学元件被设置用于偏转观测光束的路径,其被选择性地插入到光路中 能和用于实现不同的几何形状的光环的装置设置在所述照明源和所述照明光学部件之间。 本发明涉及一种眼底照相机与眼睛的后部的摄影图象被制成使病变可见和记录。 的适合于散瞳和无散瞳测量方法眼底照相机提供具有一致的,优异的图像质量的后段的照片图像。