Spectacles device for viewing display screen

A technology of display screen and glasses, applied in the field of glasses
CN101477250AActive Publication Date: 2009-07-08็Ž‹้œ–ๅŽ
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
็Ž‹้œ–ๅŽ
Publication Date
2009-07-08

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Abstract

The invention provides a glass device for watching a display screen and relates to the technical field of glasses. The glass device for watching a display screen is provided with a bracket which can control the distance between the glasses and the display screen; one end of the bracket is provided with the glasses which can relax the adjustment and focusing of eyes; and the other end of the bracket is provide with the display screen or only a special component used for connecting or mounting the display screen device. The glass device solves the following technical problems: relaxing the adjustment of the eyes by making use of a far objective image of the glasses; and controlling the distance of the virtual image of the display screen and the glasses by controlling the distance between the glasses and the display screen through the bracket so as to achieve the aims of improving the observation effect, stably relaxing the adjustment and focusing of eyes, and making an observer feel comfortable and not fatigable. The glass device for watching the display screen can be used for preventing myopia or treating pseudomyopia.
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Description

technical field

[0001] The invention relates to the technical field of glasses. Background technique

[0002] Watching the nearby display screen requires the use of the adjustment function of the eyes, and the tension of the adjustment will make the eyes tired. Wearing the positive lens glasses of the prior art (such as "prism type presbyopic glasses" patent No. ZL200620031493.6) to watch the nearby display screen can relax the adjustment of the eyes, but its disadvantage is that the distance between the glasses and the display screen cannot be well controlled. distance between. According to the optical formula 1 / u+1 / v=1 / f, it can be seen that the change of the distance u between the glasses and the display screen will change the virtual image distance v between the glasses and the display screen, because the observer's activities will inevitably change the observation frequently unconsciously. The position of the observer's eyes often changes the distance between the glas...

Claims

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