One lens has three functions, intelligent discoloration. The lens adopts the optical fiber rapid discoloration technology to make rapid adjustments to different light rays, so that the wearer can enjoy the pleasure of entering the corresponding environment under suitable discoloration conditions. It changes color instantly under the sun, and the darkest is the same dark color as sunglasses, while ensuring the uniform color change of the lens, and the color of the center and the edge of the lens are consistent. Matching aspheric design and anti-glare function, it is clearer, brighter and more comfortable to wear.
Why we need photochromic lens？
Combining myopia and sunglasses into one, it can solve the problem of unclear myopia, and it can block ultraviolet rays and have super high value, which is more beautiful and lighter. Freely customize the large curved design, a variety of curvatures to match fashionable and sporty frames, to meet the user's unique and personalized needs; a variety of color dyeing film options to meet your color pursuit.
Features
• Reliable photochromic technology, uniform photochromic and rapid return fading. • Photochromic outdoor, colorless indoor, to meet the needs of different occasions. •According to the intensity of UV light and the temperature, the color of the lens is automatically adjusted to reduce the damage to the eyes from glare. •Effectively block the 200-400nm UV rays that may cause lens diseases, protect the health of eye. •Aspherical design, light and thin, comfortable, natural and beautiful. 
Indoor Restore the color of the transparent lens under normal indoor environment and maintain good light transmittance. Outdoor Under sunlight, the color of the color-changing lens becomes brown/gray to block ultraviolet rays and protect the eyes.
Index: 1.499, 1.56,1.60, 1.67, 1.71，1.74, 1.76，1.59 PC Polycarbonate 1.Single Vision Lenses 2. Bifocal/Progressive lenses 3. Photochromic Lenses 4. Blue Cut Lenses 5. Sunglasses/Polarized lenses 6. Rx lenses for single vision, bifocal, freeform progressive AR treatment: Anti-fog, Anti-Glare, Anti-virus, IR, AR coating color.| Place of Origin: | Jiangsu, China | Brand Name: | Convox |
| Model Number: | 1.56 PHOTOCHROMIC GREY HMC | Lenses Material: | Resin |
| Vision Effect: | Photochromic | Coating: | EMI, HMC |
| Lenses Color: | Clear | Product Name： | 1.56 photochromic hmc optical lenses |
| Other name： | 1.56 PHOTOCHROMIC HMC | Design: | Aspheric |
| Material: | NK-55 | Color: | Clear |
| Multi color: | GREEN | Transmittance: | 98~99% |
| Abrasion Resistance: | 6~8H | HS CODE: | 90015099 |
| Port: | Shanghai |