Why we need to wear sunglasses? Ophthalmologists suggest that sunglasses must be worn frequently to protect the eyes; this is because our eyeballs (lens) are very easy to absorb ultraviolet rays, and the damage of ultraviolet rays has two outstanding characteristics: 1. UV damage will accumulate. Because ultraviolet light is invisible light, it is difficult…
Quality standards of sunglasses The eyes are the same as the skin. If you are injured by strong ultraviolet rays, prolonged exposure to the sun will increase the risk of cataracts. Therefore, when choosing sunglasses, it is important to consider its UV function. The stronger the filtering function, the better the protection effect. Many people…
How to choose suitable sunglasses? Nowadays, sunglasses are no longer just for sun protection and eye protection. The correct choice of a popular sunglasses will definitely make people look extraordinarily fashionable. 1. The oval frame is also popular in the new year, with a knit front cardigan, and the handsome and comfortable dress is very…
Trendy sunglasses style The most popular sunglasses are plastic frames with oversized lenses. The lenses are best to be large enough to cover half of the face or the entire face. The lens is large enough to effectively block the sun and prevent ultraviolet radiation. Candy-colored plastic oversized sunglasses are the most star style and…
Choose sunglasses frame according to face shape Suitable sunglasses are like suitable shoes and bags, and are the best fashion statement. In the early 20th century, Hollywood celebrities first put on sunglasses to block the excessively bright lights of the studio. Later it became a must-have “weapon” when going out, driving the trend of sunglasses.…
Lens color Pink lens This is a very common color. It can absorb 95% of ultraviolet light, and some short-wavelength visible light. In fact, this function is similar to that of ordinary untinted lenses, which means that pink lenses will not have a greater protective effect than ordinary lenses. But for some people, it still…
The historical development of sunglasses In Europe in the 18th century, the industrial revolution had begun, and glass manufacturing and precision metal processing had become more and more perfect. At that time, the eyeglass manufacturers were mainly small workshops, using hand-made, and each eyeglasses had to be marked with the name of the manufacturer. Many…
