Device for preventing and treating myopia

Details Device for preventing and treating myopia Device for preventing and treating myopia

2004-12-20

2010-06-01

Mack, Ricky L (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Eye exercising or training type

Reexamination Certificate

active

07726812

ABSTRACT:
A device for preventing and treating myopia includes a base, a spectacles frame (1), a holder (3) and a lens (2). The holder (3) is mounted on the base; a visual target (4) is placed on the base. The spectacles frame (1) is connected to the holder (3) by adjustable connecting parts (31,32,33,34,35), so the distance between the spectacles frame (1) and the visual target (4) which is placed on the base is adjustable.

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patent: 2144341 (2000-01-01), None
patent: 561041 (2003-11-01), None

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