Ultraviolet rays can damage the cornea and retina, and high-quality sunglasses can completely eliminate the exposure of ultraviolet rays. When the eyes receive too much light, they will naturally contract the iris. Once the iris contracts to its maximum state, people then need to squint their eyes. If there is still too much light, such as sunlight reflected from snow, it will cause damage to the retina. High quality sunglasses can filter out up to97%To avoid harm, certain surfaces, such as water surfaces, can reflect a large amount of light, which can create bright spots that disrupt the line of sight or hide objects. High quality sunglasses can completely eliminate such glare using polarization technology. Use a laser cutting machine to make a pair of sunglasses now.