Flat-top bifocal myopia prevention and treatment training lens and manufacturing method

A manufacturing method and lens technology, applied in optics, optical components, glasses/goggles, etc., to restore vision and reduce the deepening of pseudomyopia

Inactive Publication Date: 2019-07-23
军视康(北京)科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Students with vision problems are generally preventable, controllable and recoverable, but both external and internal factors need to be intervened simultaneously

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] 1. A flat-top bifocal myopia prevention and treatment training lens and its manufacturing method. The main body is 1kg. The agent is 1.9 grams, the UB-60 release agent is 0.7 grams, and the polymerization agent is 1.9 grams.

[0015] 2. Manufacturing method: 1) Filter the MY-55 monomer with a 0.5μm wire-wound filter element at room temperature, then put it into a vacuum mixing tank, add UB-60 mold release agent, blue initiator, red Initiator, vacuumize until the pressure in the vacuum mixing tank is -0.1Mpa, stir for 18 minutes to completely mix and place for 24 hours; add V-65 initiator and polymerization agent to the mixture after standing for 24 hours and put it under normal temperature and pressure conditions Stir at low temperature for 10 minutes, and finally evacuate until the pressure in the mixing tank is -0.1Mpa and continue stirring for 40 minutes; Fill the material into the closed mold, and use clean compressed air to pressurize to 0.25MPa, and there should ...

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PUM

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Abstract

The invention relates to a flat-top bifocal myopia prevention and treatment training lens and a manufacturing method. A single body MY-55 having 1.56 refractive index is used as a body; therefore, thelens has low refractive index and more powerful blue-light resistant function; measurement by weight, the MY-55 single body is 1000+/-1.0 g; a blue initiator is 4.5+/-0.01 g; a red initiator is 1.5+/-0.01 g; a V-65 initiator is 1.9+/-0.01 g; a UB-60 release agent is 0.7+/-0.02 g; and a polymerizing agent is 1.9+/-0.01 g. According to the 1.56 flat-top bifocal lens produced by the invention, degrees (R:+75; L:+75) and ADD (+200) amplitudes are controlled according to the degree size of optometric insert data of a myope; due to custom-made myopia prevention and treatment training glasses, pseudomyopia due to ordinary and inappropriate glass wearing can be lightened; and, if wearing for a long time, the vision can be prevented, controlled and recovered.

Description

technical field [0001] The invention relates to the field of manufacturing and processing resin mirrors, in particular to a 1.56 flat-top bifocal myopia prevention training lens and a manufacturing method. Background technique [0002] Students have been using their eyes improperly for a long time, living, reading, studying, or watching TV, computers, mobile phones, etc. in a bad state for a long time. The time is too long, and they look close for a long time, causing ciliary muscle spasm and reducing the ability to regulate the ciliary muscle. The unevenness of the lens changes too much, the visual axis becomes longer, and distant light cannot accurately fall on the retina, resulting in myopia. [0003] The continuous deepening of myopia is mostly due to the long-term constriction and spasm of the optic nerve in the ciliary muscle, which promotes the elongation of the visual axis. If this is the case for a long time, the myopia will gradually deepen from low to medium and h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02C7/02B29C39/02B29C39/42B29C39/44
CPCB29C39/02B29C39/42B29C39/44G02C7/022G02C7/027
Inventor 詹宗朝丁怀泉
Owner 军视康(北京)科技发展有限公司
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