Yellow brown sunglasses are the best eye protection


When going out on holiday, the family wears sunglasses to take pictures outdoors, which is very 'photogenic' and very 'fan'. The reporter recently visited various eyewear stores in the city and learned that each store is also experiencing an annual peak in sunglasses sales. In this regard, the ophthalmologist reminded the public, do not only look at whether the frame matches the face shape, and the color of the lens matches the skin color with sunglasses. The key is to see whether the sunglasses can effectively block harmful light, avoid damaging the eye structure and induce glaucoma. Recommended reading: What are the benefits of wearing polarized sunglasses often? The lens color is not the darker the better. When going out in summer, sunglasses are almost 'standard'. Among the various styles and lenses in the optical shop, how to choose a pair of sunglasses that suits you? ? Recently, Dr. Sha Xiangyin, director of the Ophthalmology Department of the Second Affiliated Hospital of Guangzhou Medical University, said in an interview that wearing sunglasses is not only to see whether the frame matches the face shape, and the lens color does not match the skin color, but more importantly, to see how sunglasses are harmful to light. Degree of blocking. 'Consumers have a common misunderstanding that the darker the lens, the better for human eyes.' Resistance to harmful light has nothing to do with the color of the lens, but mainly related to the material and film. Visible light and invisible light can cause damage to human eyes. Generally, dark-colored sunglasses can block some of the damage to the eyes, but it is difficult to block harmful rays such as ultraviolet rays and blue light. If the harmful light cannot be blocked, dark lenses will increase the damage of the harmful light to the human eye structure and induce glaucoma. Polarized lenses are better for eyes. Sha Xiangyin said that sunlight contains a lot of ultraviolet and infrared rays. If you don't pay attention to protecting your eyes and go out without sunglasses, your eyes are easily damaged. What color lenses can best protect the eyes? The doctor suggested that it is best to choose yellow and brown lenses, which can play a role in eye care, reduce visual fatigue, increase eye comfort, and can effectively block most of the harmful light. According to the doctor, black, brown, and gray sunglasses have different light filtering effects. Gray lenses can absorb infrared rays and 98% of ultraviolet rays; brown lenses can filter out a large amount of blue light, which can improve visual contrast and clarity. It is recommended that when choosing lenses, citizens should not consider the factors of 'individualization' and 'skin tone' first, but from the perspectives of eye comfort and health care. In addition to choosing the color of the lens, it is also important to look at the material of the lens. 'The best sunglasses lens should use polarized lenses. It is made of synthetic resin that is as lightweight and precise as contact lenses.' According to the doctor, good quality glass lenses can generally block 60% to 70% of harmful light. Ordinary plexiglass It can only block 50% of harmful light. Citizens should pay attention to the product packaging labels when choosing. Regular sunglasses should be marked with product name, color, diameter, quality level, manufacturer name and trademark. Sunglasses with UVA, UVB and CE marks on the mirror or tag can ensure barriers. Certain ultraviolet rays. Children also need to wear sunglasses. In summer, you can often see children wearing cute and peculiar sunglasses. Some parents questioned: Is it necessary for children to wear sunglasses? The ophthalmologist believes that it is necessary, 'The protection of the eyes should be prevented from an early age. The accumulation of long-term light damage to a certain extent will cause problems in the structure of the children’s eyes and the lens. Especially for children under 3 years of age, because the visual function has not yet been developed, Direct stimulation by strong sunlight should be avoided.' The doctor reminds school-age children to wear sunglasses, do not choose too dark colors, and do not wear them for a long time, so as not to affect visual function adjustment. From the perspective of vision protection, it is recommended that parents do not buy sunglasses for children casually on the street. It is best to go to hospitals and optician professional institutions that meet the requirements of hygiene and optics and have a license.
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