1.56 Blue Cut Bifocal Flat Top Photochromic Gray HMC Optical lenses

Short Description:

Color-changing glasses can change color with the light, such as brown or ink in the outdoor strong light, and transparent in the indoor, can play a protective role in the eyes, especially in the prevention of ultraviolet radiation and blue light filtering is of great help.

For people with myopia who need to wear sunglasses to go out, color-changing glasses can save the burden of replacing myopic glasses and sunglasses, and can also solve the problem that some women are not easy to carry multiple glasses without pockets.

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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:	1.56	Specific Gravity:	1.28
Certification:	CE/ISO9001	Abbe Value:	35
Diameter:	70/28mm	Design:	Asperical

What kind of lens do old people choose?

After the elderly determine the diopter, you can choose bifocal lens, the advantage is that a pair of glasses can choose to see the distant scene or see the near object, which can reduce the trouble of taking off and wearing two pairs of glasses. If available, progressive multifocal lenses may be considered. Compared with bifocal lenses, progressive multifocal lenses have the following advantages: from far to near without interrupting the line of sight, the middle distance becomes clear; Beautiful appearance, no visible interval; No image jumps.

Blue blocking lenses are not the same color as normal lenses: blue blocking lenses are light blue or yellowish, while normal lenses are clear and colorless.

Production Introduction

The method of identifying anti-blue light glasses

1. Look at the packaging check anti-counterfeiting: the normal brand of anti-blue light glasses lenses have relevant anti-counterfeiting code on the packaging, for users to query, you can check whether the product is normal according to the anti-counterfeiting code.

2. Check the fog display anti-counterfeiting code: the lens itself has a fog display anti-counterfeiting code, which can be displayed by taking a breath on the lens, and the authenticity can be checked by logging in the official website of the lens brand.

3. Blue light pen irradiation: Use the blue light pen to illuminate the lens. For the lens without blue light blocking function, the blue light basically penetrates through the lens, while for the blue light blocking lens, most of the blue light is blocked by the lens.