Sunglasses can absorb 95% of ultraviolet rays and some visible light with shorter wavelengths. Sunglasses have better sun protection effect. Sunglasses are mainly for decoration and slightly reducing sunlight.
Sunglasses, also called sun visors, are used for sun protection. When people are in the sun, they usually have to adjust the pupil size to adjust the light flux. When the light intensity exceeds the adjustment ability of the human eye, it will cause damage to the human eye. Therefore, in outdoor activities, especially in summer, sun visors need to be used to block the sun to reduce fatigue caused by eye adjustment or damage caused by strong light stimulation.
A kind of glasses. Not only can it be used to look cool, but you can also use its light-blocking properties to allow you to look directly at everything. At the same time, it is also a kind of glasses that can block the sun's rays. Sunglasses, also called sunglasses, are "labor protection" supplies that protect your eyes under strong light. Wearing this kind of lens can block ultraviolet and infrared rays. At the same time, the color of the external environment does not change, only the light intensity changes, just like a cloudy day, giving you a cool and comfortable feeling.