Massive Selection for Photochromic Progressive Lenses - 1.56 Bifocal Flat Top Photochromic Gray HMC Optical lenses – Boris
Massive Selection for Photochromic Progressive Lenses - 1.56 Bifocal Flat Top Photochromic Gray HMC Optical lenses – Boris Detail:

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: | 1.56 | Specific Gravity: | 1.28 |
| Certification: | CE/ISO9001 | Abbe Value: | 35 |
| Diameter: | 70/28mm | Design: | Asperical |
A bifocal lens
Features: Two focal points in a pair of lenses, and a small lens superimposed on a normal lens; For presbyopia patients to see far and near the use of alternating; The upper is the distance luminosity (sometimes flat), the lower is the reading luminosity; The distance degree is called the upper light, the near degree is called the lower light, the difference between the upper and lower luminosity is add (external luminosity);
Advantages: The presbyopia patients do not have to change glasses when looking near and far.

Production Introduction

Product Process

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We believe in: Innovation is our soul and spirit. High-quality is our life. Consumer need to have is our God for Massive Selection for Photochromic Progressive Lenses - 1.56 Bifocal Flat Top Photochromic Gray HMC Optical lenses – Boris , The product will supply to all over the world, such as: New Orleans, Iran, Colombia, We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy you with our high-quality products and perfect service . We also warmly welcome customers to visit our company and purchase our products.
In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!



