In the previous article, we discussed “How to tell if sunglasses are polarized?”. In this article, let’s talk about “How much does it cost to polarize sunglasses?”.
For consumers, price is a very important indicator. If the price is too high, consumers are worried about whether it is worth it. If the price is too low, they are afraid of buying fake and shoddy products. Now that the weather is getting hotter, more people buy sunglasses. Everyone especially wants to know how much polarized sunglasses are when they buy them.
The price of polarized sunglasses
Polarized sunglasses are more popular among drivers and friends who are traveling because polarized sunglasses protect the eyes from ultraviolet rays at all times. Polarized sunglasses are just one type of sunglasses, but polarized sunglasses are mainly designed to prevent ultraviolet rays. Because the sunlight in the suburbs is particularly dazzling, the sunglasses lenses are changed to a special material 'polarized' and the name is polarized sunglasses. There are many styles of sunglasses. and most sunglasses have polarizing functions. We look at the price as basically based on the brand. The price of international big-name sunglasses like Ray-Ban is generally not cheap, basically around $150 or higher. The price of Molsion sunglasses is around $95. Some brands, which are mainly sold online, such as KoalaEye, are relatively affordable, around $35.
How polarized sunglasses work
The role of polarized sunglasses is to filter the reflected light and increase the imaging contrast. Its working principle is to selectively filter light from a certain direction. By filtering out polarized light in diffuse reflection, the intensity of light in the sky is reduced, and the contrast between blue sky and white clouds is increased. Polarized sunglasses can effectively reduce or eliminate the reflection of non-metallic surfaces. This reflected light is typically polarized light. It can be filtered by adjusting the polarized sunglasses. This part of the reflection is removed, thereby improving the image quality of the subject and improving the clarity of the picture.(https://www.koalaeye.com/collections/polarized-sunglasses)
Functions of Polarized Sunglasses
The primary function of polarized sunglasses is to prevent ultraviolet rays and filter polarized light. Good polarized sunglasses lenses can block the penetration of more than 90% of ultraviolet rays. You can choose polarized sunglasses with the 'UV400' logo. Wearing inferior polarized sunglasses, such as dark sunglasses, is harmful to the eyes. As the light entering the human eye becomes darker, the pupil of the human eye will become larger so that more ultraviolet light enters the eye to increase the damage to the eyes. Genuine polarized sunglasses must be comfortable to wear. Inferior lenses have no technology and functionality, and the lens materials are also inferior. After wearing them, you feel discomfort, dizziness, headache, dry eyes, tingling, etc., so stop using them immediately.
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