In the previous article, we discussed “Are polarized sunglasses good for computer use?”. In this article, let’s talk about “Are polarized sunglasses better than regular sunglasses?”.
Sunglasses are mainly used to shield the eyes from sunlight. Ultraviolet rays not only can damage the skin, but also cause damage to the eyes, so we need to use sunglasses to protect our eyes. There are various types of sunglasses, such as ordinary sunglasses, polarized sunglasses, special sunglasses, etc. Which is better, polarized sunglasses or regular sunglasses?
Regular Sunglasses
Ordinary sunglasses rely on surface coating to prevent ultraviolet rays from entering the eyes. The shade of the lens only affects the light transmittance of the lens and has nothing to do with the ability to resist ultraviolet rays. Light-colored sunglasses can also protect against ultraviolet rays. It is important to choose sunglasses with UV protection. In summer, the sun is relatively strong, and dark sunglasses that do not protect against ultraviolet rays cannot protect the eyes. Dark lenses will cause the pupils to dilate naturally, and ultraviolet rays will be easier to enter. In this way, more ultraviolet rays are ingested than without sunglasses. Ultraviolet rays are cumulative and can cause irreversible damage to the eyes.(https://www.koalaeye.com/blogs/our-stories)
Polarized Sunglasses
The polarized sunglasses filter the light through the polarizing coating on the surface. Effectively reduce glare, eliminate dazzling reflected light and scattered light. Let the messy light become parallel light, making the vision clearer and softer. In addition, the polarization angle and radian of the polarized lens are professionally designed and processed, so that the wearer will not have the feeling of distortion and dizziness.
Which is better, polarized sunglasses or regular sunglasses?
1. Different Functions
Ordinary sunglasses use the color dyed on the dyed lens to weaken all light into the eyes. However, all glare refracted light, and scattered light still can enter the eyes. Ordinary sunglasses cannot achieve the purpose of eye protection perfectly.
One of the functions of the polarized lens is to filter out glare, scattered light, and refracted light, only absorb the reflected light of the object itself, and truly present what you see. For drivers, wearing polarized sunglasses can improve vision, reduce fatigue, and increase color saturation. In short, polarized sunglasses can play an eye-protective effect.
2. Different Principles
Ordinary tinted lenses use their tinting to block all light, and the objects seen will change the original color of the objects. What color the lens is, the object will be covered in what color. Especially when wearing it while driving, the recognition of traffic lights produces a huge color difference. If the green light is not recognized, it will become a hidden traffic hazard.
The polarizer is based on the principle of polarized light, and the objects seen will not change color. When drivers enter the tunnel, the light in front of their eyes with ordinary sunglasses will be dimmed immediately, and they will not be able to see the road clearly. However, wearing polarized sunglasses will not have an impact on vision.
3. The degree of blocking ultraviolet rays is different
Strong ultraviolet rays are the invisible killer of human beings. Polarized lenses were born for this purpose. The blocking rate of ultraviolet rays is 99%, while the blocking rate of ordinary dyed lenses is quite low.
Driving requires a very good vision. It is necessary to improve vision, reduce fatigue, and make the vision clearer. Only high-quality polarized lenses can be used to protect the eyes and protect the eyes. Do not choose ordinary sunglasses, because the identification of traffic lights will produce huge color differences, and the green lights will not be recognized seriously, which will become a hidden traffic hazard.
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