How to choose a suitable pair of myopic sunglasses for dyeing, polarizing and sunshading?

by:Timeless Eyeglasses     2021-05-04
u003cbru003eSunscreen cannot be avoided in the hot summer, but many little fairies have done various basic sunscreens for their face and body, but they don’t care about their beautiful eyes, but in fact, the UV protection of the eyes is also very necessary. Sunglasses are used as The 'gadgets' that are indispensable in summer must also be used. But for myopic people, how should they choose the right sunglasses for them? Recommended reading: Are sunglasses glass lenses better or resin lenses better? The classification of myopia sunglasses lenses is mainly divided into three types: tinted myopia lenses, polarized myopia lenses, and color-changing myopia lenses. These three kinds of lenses have a common advantage that they are suitable for all myopia frames and sunglasses with small curvature, and they combine sunglasses and myopia glasses into one, which is more beautiful. The main features of dyed myopia lenses: dyed resin lenses are relatively cheap and economical, but ordinary dyed myopia resin lenses may not have good UV protection without additional coating. The main features of polarized myopia lenses: The advantage of polarized myopia lenses is that they can effectively prevent ultraviolet rays. The price is relatively high and not suitable for indoor wear. Moreover, the polarized myopia lenses currently on the market are only lenses with a refractive index of 1.50. Compared with myopia power For tall people, the lens will be thicker. The main characteristics of the color-changing myopia lens: the color-changing sunglasses are adjusted by the change of the ultraviolet intensity index, which can meet the requirements of indoor and outdoor wear and effectively prevent ultraviolet rays. However, if you are driving, the ultraviolet index in the car is usually unstable. The discoloration effect is not very satisfactory. Factors to be considered when choosing the shade of color, sunglasses with too light color have little filter effect; but too dark color will easily affect eyesight. Under normal circumstances, brown, gray, and dark green are relatively moderate. Their filtering effect is better, and the scene seen after wearing the glasses will only darken without obvious chromatic aberration. In appearance inspection, except that the lens must not have scratches, impurities, bubbles, or streaks, ladies who love beauty must pay attention to the UVA, UVB and CE marks on the mirror or tag to prevent ultraviolet rays. The quality of the lens, put the lens about a foot away in front of your eyes, look at a fixed object through the center, and then move it up and down gently. If it is a flat lens, the object should not move. If the object moves with the lens or is distorted, it means that the lens is uneven and has unevenness. Such sunglasses cannot be bought. Whether a pair of sunglasses has UV protection function, we cannot tell with the naked eye. The manufacturer’s express commitment to the product is the only reference for consumers to choose sunglasses with protection function. We can see some products on the label and the front of the glasses such as : '100% UV protectionWear comfortably. When shopping for sunglasses, don't just follow the trend, but choose the size and curvature of the glasses according to your face shape. In addition, when trying to wear it, you need to see if you feel dizzy, so as to avoid an event similar to wearing inferior sunglasses that causes a car accident. It also depends on whether the degree of dialysis is high, and it is best to have a polarizing function.
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