Myopia prevention and treatment glasses for controlling head position and sitting posture
A technology for controlling head and sitting posture, applied in the field of glasses for correcting bad sitting posture of students and preventing and treating myopia, can solve problems such as insufficient use methods and requirements, lack of head position and sitting posture, and difficulty in ensuring long-term application effects, and achieves prevention of cervical vertebrae. Related disease, better effect, simple structure effect
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Embodiment 1
[0045] Embodiment 1 group: as figure 1 Glasses shown
[0046] (1) Function and usage requirements: Its function is to limit near-sightedness, that is, you can’t see clearly when you look down or look down at a close distance, and keep the entire visual field of the eye’s retina in a myopic defocused state when you look far away. For example, you need to wear it when listening to a lecture. It is specially used for looking far, and it is a special mirror for looking far.
[0047] (2) Use: It is suitable for myopia patients. It is generally used when looking far away. If it is used when listening to lectures in the classroom, it can prevent the occurrence of near-sighted behaviors such as bowing the head and looking down, because these behaviors will lead to the occurrence and development of myopia and Problems with sitting posture.
[0048] (3) Spectacle matching: There is an upper posture correcting gaze area, and the lens lenses in the upper posture correcting gaze area are...
Embodiment 2
[0051] Embodiment 2 groups; figure 2 Glasses shown
[0052] (1) Function and use requirements: the function is to control the head position and maintain a good sitting posture, so as to achieve a greater than a specific viewing distance. Prevent behaviors such as bowing your head, lying down, etc., and prevent retinal hyperopic defocusing problems caused by too short a sight distance. It is required that it must be worn for near-looking writing, reading, etc.
[0053] (2) Application: It is generally used for long-term reading, writing, etc., and it can prevent poor sitting posture and myopia. It is a special mirror for near-sightedness.
[0054] (3) Preparation: There is a lower posture correction viewing area, and the lens lenses in the lower posture correction viewing area are medium and small defocus lenses. The configuration parameters of the medium and small defocus lenses conform to the above formula (ie Φ=1 / U+A+B) , U takes 0.25 ~ 1.00m.
[0055] The non-gazing ar...
Embodiment 3
[0057] Embodiment 3 groups: as image 3 Glasses shown
[0058] (1) Function and usage requirements: To use it correctly, that is, use the upper area to see far away, and use the lower area to see near. The function is to control the far and near to ensure a good head position and sitting posture, not to tilt the head or lower the head and other behaviors of squinting and looking too close, and to ensure the effect of myopic defocus in the central area of the retina.
[0059] (2) Uses: Generally used for occasions where students attend classes, listen to lectures, take notes, etc., and can meet the needs of alternate use of looking far and near when studying. Correct bad head posture and prevent myopia.
[0060] (3) Preparation parameters: there are upper and lower posture correcting gaze areas, and the lens lenses in the upper posture correction gaze area and the lower posture correction gaze area are crescent-shaped or circular (not shown in the figure). Medium and small...
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