What to look out for when using polarized sunglasses?
In the previous article, we discussed “Where can I get cost-effective gold sunglasses?”. In this article, let’s talk about “What to look out for when using polarized sunglasses?”.
Choose formal channels to buy genuine products.
You had better go to a formal shop or buy online. Some small vendors sell very cheap driving glasses, but they are often counterfeit products, which will not only do not show the effect but can not prevent ultraviolet rays and can not care for the eyes. They may have a bad effect on the visual effect.
Optical quality is the key.
Some polarized sunglasses cost as little as 30 yuan online. The processing and loss calculations for a qualified pair of polarized lenses add up to more than half the cost, or even more if the cost of the frame is included. So how does the business buy from the manufacturer? Polarized lenses have different specifications of materials, thickness, so the quality is very different.(https://www.koalaeye.com/collections/polarized-sunglasses)
Correct use and replacement.
Polarized glasses are usually thick, and it is best not to use them with other filters, or it will easily create black corners in the image. Polarized myopia sunglasses have life, you should change 1 time 1 to 2 years because coating film can have wear. Although the use of care can extend the service life, as long as there is neglect, it will cause damage to the coating.
The glasses are not suitable for a high-temperature environment.
Do not place them in a place above 60 degrees. Because the lenses are mostly resin lenses, and a long time of high temperature will make the lens melting, a film bursting, adhesive layer falling off. So especially in the summer, do not cozily put polarized sunglasses in the car.
Do a good job of cleaning.
Do not contact water for long periods of time. Generally speaking, polarized glasses are mostly made of 7 layers of lenses and a polarizing plate. Long-time contact with water will separate the lens layer and cause damage to the lens, resulting in the inability to wear. Avoid contacting with chemicals, like perfume, pesticides, and other things containing chemical ingredients.
Avoid the chemical corrosion to the lens, the frames, to achieve better protection of the role of sunglasses. When necessary, we can use professional cleaner or clean water to rinse, and clean with a clean paper towel, for gentle suction, until the water droplets dry. It is best not to use hands or nails to remove the stains on the lens. Special note: glasses with polarized lenses should not be cleaned with ultrasound, otherwise the polarizing effect will be destroyed. It should be wiped with a special cloth. At the same time, we should pay attention that the lens should not touch hard objects. Do not use fingers to wipe the lens. Please use a clean cloth to wipe the piece, reducing lens wear.
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