Device and method for vision test

Details Device and method for vision test Device and method for vision test

2007-06-16

2011-11-22

Hasan, Mohammed (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

For fusion and space perception testing

C351S205000, C351S221000, C351S243000

Reexamination Certificate

active

08061839

ABSTRACT:
A device for vision testing comprises a viewing position (6) and an image surface (5). The distance between the viewing position (6) and the image surface (5) is enclosed. The relation between the resolution of the image surface and the distance between the viewing position (6) and the image surface (5) is such that the angle of a point on the image surface (5) is less than or equal to 1 minute of arc seen from the viewing position (6).

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