Reading and writing telescope instrument

Abstract

The invention provides a reading and writing telescope instrument, and belongs to the technical field of optical instruments used for preventing myopia and vision care. The reading and writing telescope instrument mainly includes a telescopic shield and a supporting frame used for supporting the telescopic shield; the telescopic shield includes a primary vision area of eyes, the primary vision area is with the height of 50mm~180mm and with the width of 65mm~250mm; the periphery of the primary vision area is provided with a black curtain as a telescopic area; when a reader and writer is readingor writing, the rim of the eyes consciously or unconsciously cannot feel light objects and just can feel darkness, and the primary vision area is of a visual hole or a pair of visual holes; and the black curtain, a convex lens and a connection plate or a connection frame are arranged at the bottom of the periphery of the primary vision area. According to the reading and writing telescope instrument, when users reading and writing, the black curtain can be consciously or unconsciously seen or felt by the users all the time, the near feel is gotten rid of at any time, the view of reading and writing is not limited, the structure is simple, using is convenient, and the effects of myopia treatment and prevention are better; and the reading and writing telescope instrument is suitable for using when reading and writing or watching computer and television.

Description

technical field [0001] The invention belongs to the technical field of optical instruments for preventing myopia and maintaining eyesight, and is especially suitable for reading and writing. Background technique [0002] The occurrence of myopia is caused by the long-term use of the eyes in the near environment. When students sit at the desk at home and study, the front of the book usually faces the wall, and they are looking at near-sighted objects all the time in the three directions of the front, left and right. , looking closer, feeling near consciously or unconsciously, and not getting rid of the feeling of near for a moment. Although there are many instruments for preventing and treating myopia at present, their effects and applications are still very limited, and some have complex structures, which are also very troublesome to manufacture and use. Bring a lot of inconvenience to the user. Contents of the invention [0003] The purpose of the present invention is t...

AI Technical Summary

Problems solved by technology

[0002] The occurrence of myopia is caused by the long-term use of the eyes in the near environment. When students sit at the desk at home and study, the front of the book usually faces the wall, and they are looking at near-sighted objects all the time in the three directions of the front, left and right. , looking near, feeling near consciously or unconsciously, not getting rid of the feeling of near for a moment

Although there are many instruments for the prevention and treatment of myopia at present, their effects and applications are still greatly limited, and some of them have complex structures, which are troublesome to manufacture and use.

bring a lot of inconvenience to users

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