Myopia prevention and control glasses capable of controlling center vision and peripheral vision in partitioned mode
A central vision, zone control technology, applied in the field of glasses, can solve the problems of small screw size, loose screws, affecting practicability, etc., to ensure normal use, prevent screw loosening, and improve practicability.
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Embodiment 1
[0024] see Figure 1-4 , a kind of myopia prevention and control glasses for controlling central vision and peripheral vision by partition, comprising a picture frame 1, the right side of the picture frame 1 is plugged with a mirror leg 2, the top of the mirror leg 2 is threaded with a screw 3, and the inner wall of the mirror leg 2 The limit mechanism 4 is movably connected, and the limit mechanism 4 plays the role of preventing the screw 3 from loosening.
[0025] The middle part of the mirror frame 1 is provided with a thread suitable for the screw 3, and the top of the mirror leg 2 is provided with a thread suitable for the screw 3. The material of the screw 3 is steel and the bottom of the screw 3 is provided with a groove.
[0026] The limit mechanism 4 comprises a limit groove 41, the inwall of the screw 3 offers a limit groove 41, the inner bottom wall of the mirror leg 2 is fixedly connected with a limit post 42, and the inwall of the limit post 42 is fixedly connecte...
Embodiment 2
[0030] see Figure 1-4 , a kind of myopia prevention and control glasses for controlling central vision and peripheral vision by partition, comprising a picture frame 1, the right side of the picture frame 1 is plugged with a mirror leg 2, the top of the mirror leg 2 is threaded with a screw 3, and the inner wall of the mirror leg 2 The limit mechanism 4 is movably connected, and the limit mechanism 4 plays the role of preventing the screw 3 from loosening.
[0031] The middle part of the mirror frame 1 is provided with a thread suitable for the screw 3, and the top of the mirror leg 2 is provided with a thread suitable for the screw 3. The material of the screw 3 is steel and the bottom of the screw 3 is provided with a groove.
[0032] The limit mechanism 4 comprises a limit groove 41, the inwall of the screw 3 offers a limit groove 41, the inner bottom wall of the mirror leg 2 is fixedly connected with a limit post 42, and the inwall of the limit post 42 is fixedly connecte...
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