What brand of sunglasses is good?_sunglass knowledge_

No matter which city or country we live in, the strong light of the sun will shine on us when we go out. At this time, we would think of wearing sunglasses to prevent the abhorrent sunlight from damaging our eyes in this hot sun. Sunlight can not only prevent the harm to the eyes, but also can be used as a decoration to ourselves, showing our temperament. Isn't this what we often call kills two birds with one stone? But the professional eyeglasses tell you, Even if you wear sunglasses, it does not necessarily prevent damage to your eyes, and thus damage your eyesight and weaken your eyesight. Now let's talk about what brand of sunglasses is good? In short, remember that no matter which optical shop wears sunglasses, you must first communicate with the person who wears the glasses, and ask if the sunglasses have the following characteristics: 1. Ask whether these sunglasses can block strong sunlight. If my glasses receive too much light, it will damage my retina. I just want to ask if your sunglasses can filter up to 90% of the light when the strong light enters the eyes and avoid the harm to my eyes; 2. Ask whether this sunglasses can also block the strong sunlight The radiation of ultraviolet rays, because ultraviolet rays will damage my cornea and retina, can your sunglasses remove the auxiliary radiation of ultraviolet rays in most of the sun's rays; 3. Ask whether these sunglasses can use polarized light technology to eliminate glare, because The glare can reflect a lot of light from the water surface, so that the reflected light will disturb our sight and sometimes hide certain objects from the shadows. It makes us look unreal when observing certain objects; four. There is also whether your sunglasses can clear the specific light frequency under the sunlight, because some light frequencies can cause our vision to be blurred and we can’t see things clearly. Five. Finally, add one point: when choosing sunglasses, the correct choice of the color of the glasses is also the most important point, because only by choosing the correct color can it achieve the best results in a specific environment. In addition, bad sunglasses can not help us block the strong light or ultraviolet rays of the sun, but will also gradually expand the pupils of our eyes, directly causing serious damage to the vision of our eyes. So when we buy sunglasses, we must pay special attention to the following points: 1. Whether the lens is stained or damaged, and whether the lens specification meets the regulations of the regular optical shop; 2. Try it on first to see if there is any Feeling dizzy, headache, etc., because some sunglasses have a degree; three. It is better to think clearly what color sunglasses you choose, because the color of the sunglasses will also affect the visual recognition in the same occasion; four. Wearing sunglasses is to prevent the strong stimulation of the sun’s ultraviolet rays, but to make our glasses relaxed and comfortable, so when we choose lenses, we must choose lenses with UV function. After analysis by professional eyewear personnel, when we choose sunglasses, we don’t care about the brand, because we wear sunglasses to protect our eyes. Therefore, wearing sunglasses must be based on the characteristics and precautions of the above sunglasses to choose glasses, so that we can truly protect the retina and vision of the eyes when we wear sunglasses in our lives.