玻璃眼镜是矫正视力、保护眼睛的必需品,同时也是美化人们的装饰品和艺术品。眼镜玻璃应具有良好的光谱特性,既能吸收波长小于340纳米的紫外光,避免眼球的损伤,又应在可见光波段(380至760纳米)有高的透过率。如果在矫正视力用眼镜玻璃中加入微量着色剂,使具有一定的色泽,还能使佩戴者舒适美观。 Glasses glasses is to correct vision, eye protection necessities, but also beautify people’s decorations and works of art. Spectacle glasses should have good spectral properties, both absorb less than 340 nm wavelength ultraviolet light, to avoid eye damage, but also the visible light band (380 to 760 nm) high transmittance. If the corrective vision glasses with trace colorant to make a certain color, but also make the wearer comfortable and beautiful.