Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Eye exercising or training type
Patent
1996-09-27
1998-11-10
Dang, Hung X.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Eye exercising or training type
351200, A61B 300
Patent
active
058351884
ABSTRACT:
This relates to a device to be located in front of a person eyes containing a plurality of light sources disposed and mounted near the edge, and on the concave side of a dish shaped wall. The position of said dish shaped wall relative to the user eyes and visual axis is adjustable by means adjustable forhead and chin supports. Each individual light source is sequentially turned on and off. When one light source turns off the following light source turns on immediately or after a predetermined time delay. The sequence may be clockwise, counterclockwise, zig-zag, random or any desired pattern. The person using this invention must move his eyes to focus them on the light source that turns on sequentially.
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