3 in1 Photochromic Myopia Glasses Color-changing Anti-blue Glasses Student Glasses Finished Nearsighted Glasses With Grade

Black Gold Brown Grey Transparent off white Transparent. Glasses style: square frame. Glasses structure: full frame. Style category: Fashion commute. Product Category: Myopia glasses. Frame material: plastic metal. Suitable for: Adults. Lens function: color change. Face shape: Round face. Frame material: PC. Style: Business, all-in-one, elegant, simple, European and American, advanced sense. Lens material: PC. 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