Vision recovery training device
A vision recovery training device on which a trainee can simply adjust the image formation of the eyes. The vision recovery training device comprises a display member (1), an optical system (2), a base table (3) and an enclosure (4). The display member (1), which displays a training image, is fixed...
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Main Author | |
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Format | Patent |
Language | English |
Published |
16.05.2007
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Subjects | |
Online Access | Get full text |
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Summary: | A vision recovery training device on which a trainee can simply adjust the image formation of the eyes. The vision recovery training device comprises a display member (1), an optical system (2), a base table (3) and an enclosure (4). The display member (1), which displays a training image, is fixed to the base table (3) so as to almost vertically cross the visual axis (51) of a trainee (5). The optical system (2) includes a lens (21), a feed screw (22) and a motor (23). The motor (23), when driven, moves the lens (21) in the visual-axis (51) direction via the feed screw (22), whereby the optical characteristics of the optical system (2) are changed to thereby be able to change the optical distance between the eye position of the trainee (5) and the display member (1). The display member (1) displays a training image in proportion in size to the optical distance between the eye position of the trainee and the display member (1). |
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Bibliography: | Application Number: CN200580018449 |