Color	Black Blue Brown Red
Black Blue Brown Red
especificación	+100 +125 +150 +175 +200 +225 +250 +275 +300 +325 +350 +375 +400 +50 +75

Descripción
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Item specifics

Eyewear Type: Reading Glasses
Item Type: Eyewear
Lenses Optical Attribute: Photochromic
Gender: Women,Men
Lenses Material: Polycarbonate
Coating: HMC
Lenses Color: Clear
Lens Width: 5.1cm
Lens Height: 4.5cm
Brand Name: JIE．B
Model Number: LH2212
Frame Material: PLASTIC
Style: Cat Eye Reading Glasses
Feature : Durable, lightweight, fashion cat eye frame design
Eye : + 1.0 1.25 1.5 1.75 2.0 2.25 2.5 2.75 3.0 3.5 4.0
Glasses reading lady: Gafas de lectura
Lens function: Radiation protection, UV protection

Product Description

What are photochromic lenses?

Photochromic lenses are also referred to as light-sensitive lenses". Glass lenses are adding silver halide, but now is the mainstream of photochromic resin lenses, adding of spiro and other chemicals in the acrylic resin lens, so that the original colorless and transparent lenses, in bright light, will become colored lenses, to do the protection, so is suitable for indoor and outdoor use. Photochromic lens optical glass containing silver halide microcrystals, phototropy reversible reaction according to the principle, in the sunlight and UV irradiation variable dark, completely absorb ultraviolet and visible light absorption of neutral; back to the dark, can restore the colorless transparent. Photochromic lenses are mainly used in open-air fields, snow fields and indoor light sources, so as to prevent sunlight and ultraviolet light from damaging the eyes.

Warm tips

1.Please correctly understand photochromic glasses, he color depth does not equal sunglasses

2.Test discoloration, it is recommended to test at noon, noon sun UV strong, discoloration can achieve the best results, more test several times, the effect is better.

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