How to choose sunglasses for sunscreen in summer

u003cbru003eUnder the scorching summer sun, many young people will wear a pair of' target='_blank'>sunglasses, not only sunscreen but also show their fashion taste. Many elderly people think that wearing sunglasses in summer is a matter of young people who are catching up with fashion. But in fact, summer sun protection is equally important for the elderly, and it can effectively prevent the occurrence of certain eye diseases. Recommended reading: Is it necessary to bring a pair of sunglasses in summer? Excessive ultraviolet rays in the eyes in summer can cause corneal edema, tearing, pain and other symptoms, which affect vision. According to an authoritative foreign journal of ophthalmology, prolonged exposure to the sun will cause early 'age-related macular degenerationAnd for patients suffering from eye diseases such as cataracts, keratitis, conjunctivitis, and retinal detachment, wearing sunglasses can promote the recovery of the disease and bring enough cooling and protection in the hot summer. When choosing sunglasses for the elderly, it is best to choose lenses that can block ultraviolet rays. Be sure to read the logo carefully. It is not that the higher the price, the stronger the protection. The elderly can choose different sunglasses on different occasions. For example, you should choose a polarizer when fishing, which can eliminate the glare from all directions and make the field of vision clearer. When the elderly go to the outskirts to climb mountains, they can choose gray and brown sunglasses, which have the best UV protection. There are also some precautions for wearing sunglasses. When crossing the road or going to the shade, you must remove the sunglasses in time, because the eyes have a process of adapting from the light to the darker, or to the crowded area, which can easily lead to dizziness. At this time, remove the sunglasses. safer. Wearing sunglasses should not be too long. It is recommended to take off and rest every hour or two, and gently massage around the eyes, otherwise symptoms such as headache, irritability, blurred vision and even loss of vision will occur. The elder’s lens is aging and swelling, so you should not wear sunglasses for a long time, otherwise it will cause accumulation of the iris roots, which will hinder the outflow of aqueous humor and increase intraocular pressure. In addition, the elderly with glaucoma, retinitis, color blindness, and night blindness are not suitable for wearing sunglasses. In addition to using sunglasses to protect your eyes, it should also be noted that ultraviolet rays reach their maximum intensity from 10 am to 2 pm. At this time, you should minimize going out or go to places that can reflect light, such as watersides and sand. Will increase the chance of light hitting the eyes.
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