Glasses instrument capable of preventing nearsightedness
A spectacle instrument and myopia technology, which is applied in the field of spectacle instrument, can solve problems such as inconspicuous effect, and achieve the effect of good effect, simple structure and low cost
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[0011] The present invention will be further described below in conjunction with accompanying drawing and embodiment:
[0012] As shown in the figure, the present invention comprises objective lens frame 3 and the eyepiece frame 2 that is positioned and connected with objective lens frame 3, is provided with two objective lens holes 6 on objective lens frame 3, is provided with two eyepiece lens holes 4 on eyepiece lens frame 2, so The pitch of the eyepiece hole 4 is suitable for the human eye, and the pitch of the objective lens hole 6 is less than the pitch of the eyepiece hole 4. A refraction device 5 is arranged on the optical path between the objective lens frame 3 and the eyepiece frame 2. The refraction device 5 consists of at least one refracting prism 5a, usually two refracting prisms 5a, which are arranged symmetrically with respect to the eyepiece frame 2.
[0013] For the convenience of wearing, the two ends of the eyepiece frame 2 are also provided with a spectacl...
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