u003cbru003eMany people like to wear
sunglasses, but there are many doubts about the function of sun
glasses and the choice of lenses. What is the knowledge of the choice of
sunglasses? Today, I will give you some knowledge of
sunglasses. lenses are also called sunshade lenses. Because people usually rely on adjusting the pupil size to adjust the luminous flux in the sun to avoid damage to the eyes caused by strong light. Therefore, many people use sun-shading mirrors to block sunlight to reduce fatigue caused by eye adjustment or damage caused by strong light stimulation. Pinxiu 1.561 graying sixth-generation full-line anti-ultraviolet myopia glasses sunglasses lenses are generally divided into three categories: color-changing lenses, dyed lenses, polarized lenses (1) color-changing lenses: the main function is to protect the eyes and prevent strong light stimulation. The lens is colorless indoors, and the lens changes from colorless to colored due to the strong light outdoors. When choosing the color of the color-changing lens, it is generally recommended to choose the three colors of brown, green and gray. Because these three colors are in line with visual physiology, they improve visual contrast and clarity, and will not change the original color of the scene due to the lens. (2) Stained lenses: to prevent damage to eyes caused by strong sunlight. The lenses are dyed in different colors through a specific process to meet different visual environment requirements. Stained lenses are not suitable for indoor use because they will affect the visual effect. Generally, the choice of color can be determined according to the color palette provided by the manufacturer, personal preference and use environment. Pinxiu 1.499 gray polarized myopia sunglasses with full anti-ultraviolet myopia lenses (3) Polarized lenses: lenses that only allow light in a specific polarization direction in natural light to pass through. Reduce the visual discomfort caused by glare, suitable for outdoor sports. For example: marine sports, skiing and fishing. Different types of sunglasses correspond to people with different needs, but you must buy sunglasses at a regular optician shop. Inferior glasses will only have a negative impact on your eyes~ Related reading: Types of lenses
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