在天气晴朗光线较强的日子,戴变色镜的人比比皆是,有人用它来保护眼睛,还有人用它彰显自己风度。可是科学研究发现,长时间戴变色镜对眼睛利少弊多。变色眼镜之所以变色,是由于这类眼镜的镜片中含有变色物质卤化银,这种物质会随着光线的强弱而发生变化。大家知道,日光中包含紫外 In the days when the weather is bright and sunny, people who wear color-changing mirrors are everywhere, some use it to protect their eyes, and others use it to express their demeanor. However, scientific research found that wearing the lens for a long time less adversely more harm to the eyes. The reason why discoloration glasses change color is because these lenses contain silver halide color changing material, this material will change with the light intensity. We all know that the sun contains ultraviolet light