1.59 PC Progressive Photochromic Gray HMC Optical lenses

Short Description:

The color-changing lens is based on the principle of photochromatic tautometry reversible, the lens can quickly darken under strong light and ultraviolet light, block strong light and absorb ultraviolet light; After returning to the dark, the lens quickly restores the colorless and transparent state to ensure the transmittance of the lens. Therefore, the color changing lens is very suitable for both indoor and outdoor use, especially in the outdoor environment to prevent strong light, ultraviolet, glare and other damage to the eyes, suitable for outdoor more, eyes sensitive to light stimulation, reduce eye fatigue. After wearing color-changing glasses, you will see more naturally and comfortably under strong light, avoid compensatory movements such as squinting, and reduce the fatigue of eyes and muscles around eyes.

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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:	Progressive	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:	70/75mm	Design:	Asperical

(1) The bottom color change is the material that can be added to the lens processing stock solution to absorb ultraviolet color change. The advantage is that the price is cheap, the disadvantage is that the background color is easy to remain and the life is short.

(2) Film layer discoloration is added to the surface of the lens layer, some things discoloration fast, long life, and different manufacturers of different substrate, a wide range of options.

Production Introduction

PC, chemically known as polycarbonate, is an environmentally friendly engineering plastic. PC material features: light weight, high impact strength, high hardness, high refraction index, good mechanical properties, good thermoplasticity, good electrical insulation performance, no pollution to the environment and other advantages. PC is widely used in Cd\vcd\dvd disc, auto parts, lighting fixtures and equipment, glass Windows in the transportation industry, electronic appliances, medical care, optical communication, eyeglass lens manufacturing and many other industries.