Sunglasses, also known as sunshades, as the name suggests, are used to block the sun. They prevent direct sunlight from causing significant damage to eyesight. But today, we’re going to introduce a special type of sunglasses: polarized sunglasses.
Polarized sunglasses are a category of sunglasses, but they are among the more high-end ones. They have a function that ordinary sunglasses don’t: they can effectively block and filter out various harmful polarized lights.
The so-called polarized light refers to the irregular reflected light generated when light passes through uneven road surfaces, water surfaces, etc., also known as glare. When these lights directly shine into people’s eyes, they can cause discomfort, easily lead to fatigue, make it impossible to see things for a long time, and significantly reduce the clarity of the viewed objects.
Ordinary sunglasses only work by dimming light. Since ordinary lenses cannot filter light, they can only reduce the intensity of glare, ultraviolet rays, etc., but cannot completely block these harmful rays. So their function is only to reduce damage to the eyes, but the biggest advantage of ordinary sunglasses is their good fashionability. Polarized sunglasses lenses, due to their polarizing properties, can completely block the dazzling glare caused by scattering, refraction, reflection and other factors. At the same time, they can also completely block ultraviolet rays that are harmful to human eyes, so that when people are active in strong light for a long time, their eyes are not easily fatigued, achieving a truly protective effect, and making the things seen clearer and more three-dimensional.
Because polarized sunglasses have the function of polarizing light, they can block all harmful rays without affecting the transmission of visible light, truly protecting the eyes. In addition to the basic ultraviolet protection function, polarized sunglasses also prevent glare, road reflected light, water surface shimmer, etc., making them suitable for driving, fishing, traveling, and daily wear.
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