| Photochromic grey or brown glass lenses with 1.503, 1.508, 1.523, 1.70 index. More specification as single vision lens, round-top bifocal lens, flat-top bifocal lens with HMC, EMI coating process are available. Our wide range of products including optical lenses, optical frames, sunglasses, eyewears, eyeglasses, spectacles, goggles, safety glasses, reading glasses can cater to the different needs of all walks of life around the world. |
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