发明授权
US4370033A Eyeball examining device 失效
眼球检查装置

Eyeball examining device
摘要:
An eye examining device having a television pickup camera, an optical system for magnifying the eye ground or retina and focussing the image on said camera, a television monitor connected to the camera to display the image of the retina and an optical pattern movably disposed in the plane of the image and a light source illuminating said pattern.
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