How to choose the best sunglasses for kids?
Wed, Jul 21, 21 By : KoalaEye Optical
Choose a standard optical shop. To buy children's sunglasses, you must choose a regular optician. If you want to buy online, be sure to choose a brand with a clear manufacturer and a production license, and ask the store owner for a proper tag. It will indicate the above UV protection coefficient, use category, lens material, lens transmission ratio, lens frame material, etc. A lot of toy sunglasses modeling is lovely. While their dark lenses may seem to shade the...

Choose a standard optical shop.

To buy children's sunglasses, you must choose a regular optician. If you want to buy online, be sure to choose a brand with a clear manufacturer and a production license, and ask the store owner for a proper tag. It will indicate the above UV protection coefficient, use category, lens material, lens transmission ratio, lens frame material, etc.

A lot of toy sunglasses modeling is lovely. While their dark lenses may seem to shade the sun, sunshade and UV filtering are not to be confused. Even all-black sunglasses, without UV protection, simply dilate the pupil of a person's eye, so that more UV rays enter the eye, which is more dangerous than not wearing sunglasses. Therefore, parents still need to go to professional glasses stores, under the guidance of professionals to buy children's special sunglasses that meet the quality standards.

Choose sunglasses that are made of safe, comfortable material and in the right style.

The materials referred to here include lenses and frames. Due to the children's active nature and poor self-control ability, the sunglasses lens should have impact resistance to prevent damage to the children's eyes after the lens is broken in an accident. For example, a PC (polycarbonate) lens is a good choice.PC lens impact resistance is 12 times higher than ordinary resin lens, so it is called a safety lens.In addition, for frame material, choose relatively light, soft, and elastic material, to reduce the burden of wearing.

If a metal frame is selected, the temple should be made of non-allergenic materials to ensure the safety and comfort of children. For example, you can choose TR90, silica gel, light plate, and so on. Children's sunglasses should be of the right size and cover as much of the face and eyes as possible to protect against UV radiation.

Choose the right color for your sunglasses.

Some parents, in order to "look good", will give their children to choose a number of colorful sun lens colors, but these bright colors will make the shielding effect counterproductive. Because this type of lens not only does not block the ultraviolet function, and color perception is also poor. It may also absorb harmful substances. Therefore, when choosing children's sunglasses, the lens color should be gray, brown, dark green. And the lenses must be able to block 99 to 100 percent of UV rays. Sunglasses with polarized features are also a good option.

Choose sunglasses with a high light transmission ratio.

Children's visual development requires effective stimulation of the macular area of the retina with normal light, or it may cause amblyopia. Therefore, the light transmission ratio of children's sunglasses should not be lower than 30%. When the light transmission ratio is lower than 30%, it may not be able to ensure that the macular retina can be effectively stimulated. That means choosing light-colored sunglasses and shades with light transmittance categories 1, 2, and 3. If you are looking for special purpose sunglasses for children, make sure you use them under the guidance of a professional who has classified them into four categories. According to the national standard QB2457-1999 and GB10810.3-2006 in the provisions,sunglasses with UV protection on the market generally have the following labels:"UV400", "UV", "anti-ultraviolet", "100%UV absorption".In addition, If the prism, light transmission ratio, color limit, traffic signal transmission ratio, signs, impact resistance, and other indicators are qualified, they are qualified sunglasses.

 

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