The choose and buy sunglasses need to consider what parameters

The first essence of choose and buy sunglasses, not is style? Small make up before writing this article was thinking. Everyone should be able to think, myopia glasses or reading glasses, are all need to consider the quality of the lens, so relatively trouble. And sunglasses don't need to, general candidate match myopia glasses sunglasses will not think of, but see bought it look good, in fact, we also need to consider when the choose and buy sunglasses many parameters. Ray-ban RB4221 - F men sunglasses 6167/6 q red, lens lens to level off, through higher acuity, sun lenses made of glass and resin, and a good sun glasses polarized lens should be used. It USES as well as contact lenses and precision of synthetic resin. Polarized lenses can effectively filter out reflected light and harmful uv rays, and resistant, wear, and other functions, is a popular sunglasses. Second, the package has scratches, observe whether the lens is impurity, air bubble, stripes, check the packing for sunglasses, regular sunglasses should be marked with name, color, diameter, quality levels, production factory name and trademark, the mirror or tags are marked as both UVA and UVB rays and CE mark sunglasses can ensure that block uv. Three, color sunglasses color depth. Simple self-test method is to wear sunglasses, in front of a mirror for can vaguely see the pupil of his limit. Color too shallow, filter function is too small; Color is too deep, affect vision and weaken the sense of color. Four, distance of choose and buy sunglasses to wear when did try the feeling of dizziness, headache. Now there are some marked degree of myopia sunglasses on the market for sale, but because of pd and other indicators vary from person to person, so if there is no guidance of professional personage, consumer is good not to choose this prescription sunglasses. Ray-ban sunglasses RB3532 men more than 001/68 of gold is the major aspects of the choose and buy sunglasses, if we wear the inferior sunglasses? Consequences are very serious! Some do not conform to the standard lenses have diopter overweight or lens surface is not smooth, have raised and prismatic interface, even there are air bubbles. When looking outside objects produce distortion, deformation, make the eye acid bilges, cause nausea, loss of appetite, forgetfulness, vision fatigue symptom such as insomnia, long wear easily lead to decreased vision, such as myopic eye disorder. Into some inferior sunglasses can't block ultraviolet light, and light transmittance lens is low, serious eyes as in a dark room, the pupil greaten, the remnants of uv light into the eye, can make eye damage caused by sunlight keratitis, corneal endothelial injury, fundus diseases such as macular degeneration. Above is the small make up finishing editing sunglasses factory, more information please visit the sunglasses sunglasses glasses factory network view. Website: https://www. yichao。 Cn/other glasses sunglasses factory network are available in a wide variety of sunglasses choice oh, quality and cheap!
related: sunglasses polarized sunglasses