Sunglasses also have a “shelf life”

To choose a suitable pair of sunglasses, the following basic tips should be kept in mind:
UV protection: Choose sunglasses that can block 99%~100% UVA and UVB radiation.
Sunglasses size: buy large-size sunglasses. Too-sized sunglasses cover a wide range and help reduce the ultraviolet rays entering the eyes from the side.
Color choice: Don't be fooled by colors. Although different colors and dark lenses look cool, they won't block more UV rays.
Price is not the first: the right is the best. Choose good quality sunglasses with 100% UV protection.
Don't forget the children: children are just as susceptible to sunlight as adults, and they need to develop the habit of wearing glasses when the sun is strong. But please choose sunglasses with quality certification from regular manufacturers, not toy sunglasses.
The choice of polarized lenses: Polarized lenses can block reflections and glare from smooth water surfaces, roads, car windows, etc., making driving and outdoor sports safer and more comfortable.
Selection method: The mirror surface is smooth, free of scratches and impurities, and the surface curvature should not be too large. Formal sunglasses should have a tag, indicating various production information in detail.
"Shelf life": Sunglasses will degenerate and change with use, and the ability to resist ultraviolet rays will also decrease. Generally speaking, the "shelf life" of a pair of sunglasses is about 2 years. Sunglasses also have a "shelf life".

FT903 model 640 (2)

To choose a suitable pair of sunglasses, the following basic tips should be kept in mind:
UV protection: Choose sunglasses that can block 99%~100% UVA and UVB radiation.
Sunglasses size: buy large-size sunglasses. Too-sized sunglasses cover a wide range and help reduce the ultraviolet rays entering the eyes from the side.
Color choice: Don't be fooled by colors. Although different colors and dark lenses look cool, they won't block more UV rays.
Price is not the first: the right is the best. Choose good quality sunglasses with 100% UV protection.
Don't forget the children: children are just as susceptible to sunlight as adults, and they need to develop the habit of wearing glasses when the sun is strong. But please choose sunglasses with quality certification from regular manufacturers, not toy sunglasses.
The choice of polarized lenses: Polarized lenses can block reflections and glare from smooth water surfaces, roads, car windows, etc., making driving and outdoor sports safer and more comfortable.
Selection method: The mirror surface is smooth, free of scratches and impurities, and the surface curvature should not be too large. Formal sunglasses should have a tag, indicating various production information in detail.
"Shelf life": Sunglasses will degenerate and change with use, and the ability to resist ultraviolet rays will also decrease. Generally speaking, the "shelf life" of a pair of sunglasses is about 2 years.


Post time: Aug-05-2020

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