Pochromic Progressive Multifocal Reading Glasses Look Far and Near Eyeglasses Men Sport TR90 Frame Anti Blue Light Graded Eye

High-concerned chemical : None Element type : Basic Classic Applicable Scenarios : Casual Style type : Rectangle Model Number : 9229 Lens Width : 5.5cm Lens Height : 4.2cm Frame Material : Plastic Lenses Material : Polycarbonate Lenses Color : MULTI Gender : Unisex Lenses Optical Attribute : Photochromic Origin : Mainland China Item Type : EYEWEAR Eyewear Type : Reading glasses Please note before placing an order: 1. Please expose to sunlight for more than 10 seconds, and then observe the discoloration effect of the torn film on the lens. 2. Color changing lenses only change color when exposed to sunlight. The stronger the light, the better the color changing effect! 3. It will not change color when there is no sunlight on cloudy days and cool places. The sunlight must shine on the lens! 4.When there is no sunlight, the lens can change color through ultraviolet radiation! 5. People who receive packages at night and in the evening can undergo a third test! 6. Please do not conduct testing indoors