Polarized Sunglasses Achieve A Truly Protective Function
Generally, sunglasses only use the function of reducing light. Because ordinary lenses cannot filter light, they can only reduce the intensity of glare, ultraviolet light, etc., and cannot completely block these harmful lights. Therefore, their function is to reduce eye damage. However, Sunglasses have the greatest advantage of good popularity.
Polarizing lenses, due to their polarizing properties, can completely block glare caused by various factors such as scattering, refraction, and reflection. At the same time, it can also completely block harmful ultraviolet light from the human eye, making the eyes less prone to fatigue during long-term activities under strong light, achieving a truly protective function, and making what is seen clearer and more three-dimensional.
If there is only one pair of polarized sunglasses, place them in front of your eyes, facing a reflective surface, such as a reflective car roof. Slowly rotate clockwise. If it is polarized sunglasses, you can see a change in the brightness of the image, from dark to bright, or gradually from bright to dark. Ordinary sunglasses do not have this effect.
Polarized light, also known as polarized light. Visible light is a transverse wave, and its vibration direction is perpendicular to the propagation direction. The vibration direction of natural light is arbitrary in the plane perpendicular to the propagation direction; For polarized light, its vibration direction is limited to a specific direction at a certain moment.
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