u003cbru003eSpring is gradually coming to us with the warm breeze of habit, and the warm sun after the spring rain is getting better, and sunglasses
have become a must-have for people to go out on the street. But some people are very distressed, because wearing sunglasses
will make people dizzy, which makes those who want to be beautiful and fashionable! Why is this? According to experts, if you wear sunglasses and feel dizzy, it may be temples. Too tight, the pressure caused by the discomfort of the nose pad, or the sphericity and prism of the lens itself. Regarding the colorful phenomenon of lenses, in principle, it has nothing to do with dizziness, but it may cause bad visual effects. The reason for the color may be the problem of the craftsmanship when the lens is shot or the problem of the degree of liquid. In addition, sunglasses with more than 8 bends also have degrees, which may also cause dizziness. YC9705 Universal Sunglasses C7 White/Colorful Purple In addition, there is another possibility that your sunglasses are counterfeit and shoddy products. The following four types of sunglasses must not be worn: 1. Sunglasses with anti-ultraviolet function. Good sunglasses lenses can block more than 99% of ultraviolet rays, and lenses marked with UV400 can block 100% (99.99%) of ultraviolet rays. Wearing sunglasses with poor UV protection can make the eyes look like in a dark room. At this time, the pupils will become larger, and the residual ultraviolet rays will be injected into the eyes in large quantities, causing damage to the eyes. Good to go to the specialty store to buy or buy in the well-known online store or flagship store. You must not buy enough from the small stalls. Although those sunglasses can also block ultraviolet rays, the lenses are not well-made, that is, they are substandard. Do not buy them because they are cheap. Inferior eyes can cause different degrees of damage to the eyes. 2. Sunglasses with unqualified transmittance. After wearing this kind of sunglasses, it will produce traffic signal identification obstacles, which is very easy to cause traffic accidents. All sunglasses, including professional driving glasses, sports glasses, fishing glasses... (except for near-sighted glasses and reading glasses) The easy way to identify is to place the sunglasses in front of your eyes and observe distant objects through the lens, such as window frames or door frames Wait, and then move the glasses up and down back and forth, the target should not swing and wavy deformation. YC9708 General Sunglasses C7 black frame with silver legs / lens gray 3, sunglasses without category logo. Sunglasses are generally divided into three categories, namely, sun-shading mirrors for sun protection, light-colored mirrors for decoration, and special mirrors for preventing snow blindness or water-proof plane radiation. Without product category identification, consumers cannot correctly identify the purpose of sunglasses when buying, which will affect the effect of use. 4. Sunglasses whose resistance performance does not meet the requirements. The lens is easily broken when impacted by an external force, and the fragments can cause fatal damage to human eyes. The frame material is also very important, generally there are plate, aluminum-magnesium alloy, and pure titanium. Different demand situations have different requirements for the sun. There are polarized sports mirrors, polarized driving mirrors, and polarized fishing glasses that are specially used for sports. When buying, you can ask about the professional use of sunglasses. Experts remind consumers that when buying sunglasses, you should go to regular stores to buy well-known brands; you should try them first when buying, and compare whether the color difference changes before and after wearing them are obvious. The color of the objects seen after wearing the sunglasses is not distorted. should. The editor teaches you two tips for buying sunglasses: First, see the product logo and pay attention to whether the glasses are marked with anti-ultraviolet function and impact resistance. It is important to know that not all sunglasses have the effect of UV protection. Sunglasses with 'UV protection' function should be marked with '100% UV protection' and 'UV400' on the product label or on the front of the glasses. The second is to observe the quality of the lens. When the sunglasses are placed in front of the eyes, observe the distance through the lens, move the glasses up and down, left and right, the target should not swing, and the lens color is stable. Looking out through the lens, the colors of the surrounding things are not distorted, and it has the ability to recognize different color signal lights. Related Reading: Fashion Sunglasses Sunglasses
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