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    • 1. 发明申请
    • HAND-HELD PORTABLE FUNDUS CAMERA FOR SCREENING PHOTOGRAPHY
    • 手持式便携式摄像机用于屏幕摄影
    • WO2011029064A1
    • 2011-03-10
    • PCT/US2010/047909
    • 2010-09-03
    • UNIVERSITY OF VIRGINIA PATENT FOUNDATIONYATES, Paul, AndrewTRAN, Kenneth
    • YATES, Paul, AndrewTRAN, Kenneth
    • A61B3/14
    • A61B3/156A61B3/12A61B3/1208A61B3/14G06K9/00604
    • System and Method pertaining to the modification and integration of an existing consumer digital camera, for example, with an optical imaging module to enable point and shoot fundus photography of the eye. The auto-focus macro capability of existing consumer cameras is adapted to photograph the retina over an extended diopter range, eliminating the need for manual diopter focus adjustment. The thru-the-lens (TTL) auto-exposure flash capability of existing consumer cameras is adapted to photograph the retina with automatic flash exposure eliminating the need for manual flash adjustment. The consumer camera imaging sensor and flash are modified to allow the camera sensor to perform both non-mydriatic focusing of the retina using infrared illumination and standard color flash photography of the retina without the need for additional imaging sensors or mechanical filters. These modifications and integration of existing consumer cameras for fundus photography of the eye significantly improve ease of manufacture and usability over existing fundus cameras.
    • 关于现有消费者数码相机的修改和整合的系统和方法,例如,具有光学成像模块,以实现眼睛的点和拍摄眼底摄影。 现有消费类相机的自动聚焦宏功能适用于在延长屈光度范围内拍摄视网膜,无需手动屈光度调焦。 现有消费类相机的透镜(TTL)自动曝光闪光灯功能适用于使用自动闪光曝光拍摄视网膜,无需手动闪光调节。 消费者相机成像传感器和闪光灯被修改以允许相机传感器使用红外照明和视网膜的标准彩色闪光拍摄来执行视网膜的非散瞳聚焦,而不需要附加的成像传感器或机械滤光器。 现有消费者相机对眼底眼镜摄影的这些修改和整合显着提高了现有眼底照相机的易于制造和可用性。
    • 4. 发明申请
    • EYE MODEL FOR WIDE FIELD FUNDUS IMAGING
    • 宽视场基焦成像的眼球模型
    • WO2018035239A1
    • 2018-02-22
    • PCT/US2017/047169
    • 2017-08-16
    • YATES, Paul, AndrewLAI, MingYI, Ta-Wei
    • YATES, Paul, AndrewLAI, MingYI, Ta-Wei
    • G09B23/28
    • G09B23/30A61B3/1173A61B3/14
    • The present invention contemplates an infant eye model for wide field retinal imaging by implementing nominal physical parameters and optical characteristics found in scientific literature and by simulating retinal features and details found in real eye images. The present invention also contemplates implementing a corneal model with a translucent plastic to mimic image haze and 1st Purkinje reflection. The present invention also contemplates implementing a birefringent layer to the lens posterior surface to simulate 4th Purkinje reflection and its brightness variation. The present invention further contemplates implementing a photo-realistic retinal hemisphere shell to provide retinal details and demonstrate retinopathy associated with retinal diseases.
    • 通过实施在科学文献中发现的标称物理参数和光学特性并且通过模拟在真实眼睛图像中发现的视网膜特征和细节,本发明设想了用于宽视野视网膜成像的婴儿眼模型。 本发明还考虑实施具有半透明塑料的角膜模型以模拟图像模糊和第一浦肯野反射。 本发明还考虑在透镜后表面上实施双折射层以模拟第四浦肯野反射及其亮度变化。 本发明进一步考虑实施照片般逼真的视网膜半球壳以提供视网膜细节并展示与视网膜疾病相关的视网膜病。