Title:
NOVEL EYE POSITION COMPENSATION PRISM FOR MYOPIA PREVENTION AND CONTROL
Document Type and Number:
WIPO Patent Application WO/2020/034732
Kind Code:
A1
Abstract:
A novel eye position compensation prism for myopia prevention and control, relating to the technical field of vision correction eyeglasses, said compensation prism comprising a frame (1), inner lenses (2) being mounted in a rim (101) of the frame (1), outer lenses (3) being provided just before the inner lenses (2), and a hanging structure (4) being connected at the middle of the outer lenses, and the outer lenses being detachably connected to the frame (1) by means of the hanging structure (4), the inner lenses (2) being composite lenses formed by a concave lens and a triangular prism having an inward base, the outer lenses (3) being composite lenses formed by a convex lens and a triangular prism having an inward base, and the outer lenses being provided with an anti-blue ray film layer. The present invention is able to solve the problem in the current available treatment methods that the diopter of eyes is easy to return or even increases rapidly, and is able to prevent myopia or the increase of diopter of myopia.
Inventors:
YANG XIUFENG (CN)
Application Number:
PCT/CN2019/089909
Publication Date:
February 20, 2020
Filing Date:
June 04, 2019
Export Citation:
Assignee:
YANG XIUFENG (CN)
International Classes:
G02C7/14; G02C7/08; G02C9/00
Foreign References:
| CN208421446U | 2019-01-22 | |||
| CN203965745U | 2014-11-26 | |||
| CN200959055Y | 2007-10-10 | |||
| CN201188158Y | 2009-01-28 | |||
| CN201222128Y | 2009-04-15 | |||
| CN201345009Y | 2009-11-11 | |||
| US20050001977A1 | 2005-01-06 | |||
| JPH02168225A | 1990-06-28 |
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