In the previous article, we discussed “Why do teenagers not tend to wear sunglasses?”. In this article, let’s talk about “Do polarized sunglasses have UV protection?”.
What are polarized sunglasses?
Polarized sunglasses are one type of sunglasses. Polarized light can be divided into three types: linear, elliptical, and circular. Commonly, the so-called polarized light refers to linear polarized light, also referred to as plane-polarized light. The vibration of the light wave is fixed in a particular direction, and its propagation path in space is a sinusoidal curve. Its projection on the plane in the vertical propagation direction is a straight line. Polarized sunglasses can be divided into riding glasses, skiing glasses, fishing glasses, polarized driving glasses, outdoor sports glasses, golf glasses. According to the materials, polarized sunglasses can be divided into glass polarized sunglasses, resin polarized sunglasses, TAC lens polarized sunglasses.
How to test if sunglasses are UV protected?
The ultraviolet rays in summer are the most intense, if we do not make full protective measures, the eyes from inside to outside will be hurt, The retina, crystal, conjunctiva, the eyelid will be injured because of ultraviolet ray. Apart from shading and beauty, the sunglasses still have an important index to prevent the function of ultraviolet rays namely. Quality supervision bureau prompts that not all sunglasses have the function to prevents ultraviolet rays. A pair of sunglasses that satisfy the basic standard requirements, the ultraviolet rays also can hold back part in reducing visible light intensity at the same time. Only labeled UV protection, 100% UV blocking, UV380, or UV400 sunglasses are UV protection.
Difference Between Polarized Sunglasses And UV Protection Sunglasses
Sunglasses are what we are familiar with the ordinary tinted glasses to keep out sunshine. Ordinary sunglasses can reduce the intensity of light, and can effectively remove the bright glare of reflective and all directions below. But in our daily life, except the sunlight and ultraviolet light through the bumpy road, the place such as the water will produce irregular diffuse light, commonly called 'glare'. Glare will make people's eyes uncomfortable and tired and affect the clarity of vision, which will bring a lot of trouble to people's lives, especially the drivers, who are seriously affected by it. Due to its high cross filter layer, polarized lenses can effectively filter all kinds of glare and ultraviolet light up to 0%, which can not only reduce light intensity but also block glare and improve visual contrast, improving visual clarity.
Do polarized sunglasses have UV protection?
Non-polarized sunglasses only use the effect of light reduction to reduce the intensity of glare and ultraviolet light and reduce the damage to the eyes, but can not completely block this harmful light. Due to its polarized property, polarized sunglasses can completely block glare caused by various factors such as scattering, flexion, and reflection, and at the same time completely block ultraviolet rays that are harmful to human eyes. Filtering out these stray lights, seeing the objects in the strong sun is soft and comfortable. The main role of polarized lenses is anti-glare, of course, it can also be anti-ultraviolet, so the two functions do not conflict. Polarized lenses have almost the same function as ordinary anti-ultraviolet sunglasses, so polarized sunglasses are more worthy of choice.
Thank you for your time in reading our passage “Difference Between Polarized Sunglasses And UV Protection Sunglasses”.
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