Material classification of sunglasses lenses

Material classification of sunglasses lenses

In fact, the material of sunglasses is more important than the shape and color of the sunglasses, a really good sunglasses, in addition to the   gorgeous appearance, should also have good UV protection against glare, but also a certain impact resistance. And these are there sunglasses   lens material decision. Sunglasses lenses can be divided by material: plastic lenses, glass lenses, polarized lenses, varicolored lenses.

1、Plastic lens　

This is a lot of sunglasses brands like to use the material, lightweight is not fragile is its most obvious feature, without any treatment of plastic   lenses UV protection is significantly better than the glass lenses, and plastic lenses in the color processing to be more simple. The disadvantage of plastic lenses is their abrasion resistance, they are easy to scratch, and they are easy to deform when they are hit, so they should be   maintained with more care.

　　Currently there are three main plastic lens materials, namely resin lenses, PC lenses, acrylic lenses.

2, Glass lenses

Glass lenses are often in contact with us, the most prominent advantage of glass lenses is its optical performance is very stable, which is the   consistent advantage of glass lenses, used in frame glasses is also the same, there is a glass lens is not easy to deformation, will not be affected by the pressure of the frame. The disadvantage of glass lenses is that they are easy to break and can easily cause damage to the eyes. The   newly developed reinforced glass lenses, which have a much more outstanding performance than the ordinary glass lenses, are also considered as a kind of safety lenses.

3. Polarized lenses

This is the use of polarized sunglasses on the lens, the use of light polarization principle, from all sides of the glare blocked outside the lens,

so that the vision is clearer, safer when driving travel. 1937, the United States Edwinland Dr. Leng invented this lens, and then widely used in   polarized sunglasses, he also took the opportunity to create their own Polaroid company.

　　4、Chromatic lenses

　　They are also more light-sensitive lenses, which change color due to changes in light, allowing the eyes to adapt to different environments,   deepening in bright light and lightening automatically in light. These lenses have been used in myopic sunglasses, and this form of color-changing lenses is considered the most convenient and most beautiful myopic sunglasses, more popular than the clip-on type.

Nowadays, many people choose sunglasses that do not have UV protection because they only pursue a fashionable appearance, in fact, strictly speaking these glasses are not able to be called sunglasses. So when choosing sunglasses, pay more attention to the material of the sunglasses lens and its corresponding function, and choose the right sunglasses.

Ousen Eyewear, as a professional eyewear factory and manufacturer, offers a variety of lenses to choose from, replacement lenses upon request, or custom-made glasses and lenses, please feel free to contact us for any needs!