Polarized Effect Is Weakened If Its Curvature Can Not In The Standard Refractive State
Although polarized sunglasses lenses can filter out many irregular light interferences and avoid glare, glare, and other phenomena, if the curvature of the polarized sunglasses lens itself cannot be in the optical standard refractive state, the polarized sunglasses effect is weakened, affecting the authenticity of the image, and the durability is poor. Good ones can effectively reduce glare, clean up scattered light (similar to the principle of blinds), and make the scenery we see while driving naturally soft and not dazzling.
Most color-changing lenses have a faster color-changing speed using film layer color-changing technology than substrate color-changing technology. For example, for the new film color-changing technology, the photochromic factor uses spiropyran compounds, which have better light responsiveness. It uses the reverse opening and closing of the molecular structure itself to achieve the effect of passing or blocking light, so it is faster in color-changing speed.
Traditional substrate color-changing lenses have a photochromic factor applied to the lens substrate, and the color-changing effect will be affected by the thickness of different areas of the lens. Because the lens is thin in the center and thick around, the central area of the lens changes color more slowly than the surrounding area, which will lead to the panda-eye effect. And for film color-changing lenses, high-speed spin coating technology is used to evenly spin coat the color-changing film layer, making the color more uniform after color changing.
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