Color	Black -125 Black -150 Black -175 Black -200 Black -225 Black -275 Black -350 Black -75 Black -100 Black -250 Black -300 Black -325 Black -375 Black -400 Black -50 Black 0
Black -125 Black -150 Black -175 Black -200 Black -225 Black -275 Black -350 Black -75 Black -100 Black -250 Black -300 Black -325 Black -375 Black -400 Black -50 Black 0

Description
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Item specifics

Brand Name JIAMEN
Lenses Optical Attribute Gradient
Gender MEN
Lenses Color Clear
Certification None
Lenses Material plastic
Origin CN(Origin)
Frame Material Plastic Titanium
Eyewear Type Reading Glasses
Model Number 3PRglasses7
Lens Height 3cm
Coating EMI
Item Type Eyewear
Lens Width 5.4inch
glasses myopia Photochromic

Product Description

Men Glasses Myopia New Photochromic Flexible Nearsighted Glasses High Quality Ultralight Flat Mirror Black Half Rim 0 -50 -75

Tips: This is a finished myopia glasses, and there is no astigmatism. It is not reading glasses,

please confirm before buying. "-" means glasses for myopia, "+" means reading glasses,

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.