Anti Blue Ray Half Rim Square Myopia Glasses Finished Metal Rice Nail Frame Student Prescription Spectacles 0 -0.5 -0.75 To -6.0

High-Concerned Chemical : None Element Type : Basic Classic Applicable Scenarios : Home Product Type : Regular Reading Glasses Style Type : Rectangle Model Number : V211 Nearsighted Glasses Lens Width : 5.2Cm Lens Height : 3.7Cm Coating : Hmc Frame Material : Alloy Lenses Material : Polycarbonate Lenses Color : White Gender : Women,Men Lenses Optical Attribute : Mirror Product Code: 101yj-sbjxz Origin : Mainland China Certification : None Item Type : Eyewear Eyewear Type : Reading Glasses Pd : 62-64Mm 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.

Please Confirm Before Purchase , Don'T Buy Mistakes!! "+" Means: Magnifying Glasses/Hyperopia/Prebyopia/Farsightedness , Most Use For 40-80 Years Old "-" Means: Myopia/Short-Short/Vision Miuns , Most Use For 0-40 Years Old "0" Means: The glasses have no prescription and are mostly used for decoration

For Example : If You Need Presbyopia +2.5 , Please Purchase +250 If You Need Myopia -1.75 , Please Buy -175