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1.59 PC Blue cut Bifocal Invisible Photochromic Gray HMC Optical lenses

1.59 PC Blue cut Bifocal Invisible Photochromic Gray HMC Optical lenses Featured Image
  • 1.59 PC Blue cut Bifocal Invisible Photochromic Gray HMC Optical lenses
  • 1.59 PC Blue cut Bifocal Invisible Photochromic Gray HMC Optical lenses
  • 1.59 PC Blue cut Bifocal Invisible Photochromic Gray HMC Optical lenses

Short Description:

As the name suggests, a bifocal mirror has two luminosity. Generally, it is used to see the distance, such as driving and walking; The following is to see the near luminosity, to see the near, such as reading, playing mobile phone and so on. When bifocal lens just came out, it was indeed regarded as the Gospel of myopia + presbyopia, eliminating the trouble of frequent pick and wear, but as people use, it is found that the shortcomings of bifocal lens also have many.


Product Detail

Product Tags

Production Details

Place of Origin:

Jiangsu

Brand Name:

BORIS

Model Number:

Photochromic Lens

Lenses Material:

SR-55

Vision Effect:

Bifocal

Coating Film:

HC/HMC/SHMC

Lenses Color:

White(indoor)

Coating Color:

Green/Blue

Index:

1.59

Specific Gravity:

1.22

Certification:

CE/ISO9001

Abbe Value:

32

Diameter:

70/28mm

Design:

Asperical
1

Bifocal lens correction of presbyopia is to integrate two different diopters on the same lens to make it a lens with two different refractive power regions, namely two focal points. Clinically, most patients have different types and different degrees of refractive errors, and at the same time, due to presbyopia, the near vision needs to increase the near additional degree, so different lens prescriptions are needed for the far vision and near vision

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Production Introduction

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What are the advantages of resin lens? Resin lenses are made of diethylene glycol and propylene glycol lipid reaction polymerization. Light weight, good impact resistance, high temperature resistance, good light transmittance, close to the performance of glass lens, can block ultraviolet rays.

What are the advantages of PC lenses? PC lens also known as: space piece or space piece, is made of optical grade PC material by injection molding processing. It has light weight, high impact strength, good weather resistance, good light transmittance, 100% ultraviolet absorption, non-toxic, and environmental protection, with a wide range of development prospect

Product Process

Production Process

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