Sunscreen in Summer: How to Choose Sunglasses for Elderly People
In the scorching summer sun, many young people will wear a pair of sunglasses to not only protect themselves from the sun, but also demonstrate their fashion taste. Many elderly people believe that wearing sunglasses in summer is a matter for young people who are chasing fashion. However, in fact, sunscreen in summer is equally important for the elderly, which can effectively prevent the occurrence of certain eye diseases.
Excessive ultraviolet rays directed into the eyes in summer can cause corneal edema, tears, pain, and other symptoms that affect vision. According to reports from authoritative foreign journals of ophthalmology, prolonged exposure to sunlight can lead to early onset of "age-related macular degeneration," which is one of the main factors causing visual impairment in middle-aged and elderly people. Moreover, for patients with eye diseases such as cataracts, keratitis, conjunctivitis, and retinal detachment, wearing sunglasses can promote the recovery of the disease and provide sufficient cooling and protection in hot summer days.
When choosing sunglasses for the elderly, it is best to choose lenses that can block ultraviolet rays. Be sure to look carefully at the logo, not that the higher the price, the stronger the protection. Elderly people can choose different sunglasses for different occasions. For example, when fishing, you should choose a polarizer, which can eliminate strong light from all directions and make your vision clearer. When elderly people climb mountains in the suburbs, they can choose gray or brown sunglasses, which have the best UV protection.
There are also some precautions for wearing sunglasses. When crossing the road or reaching the shade of the back, it is necessary to remove sunglasses in a timely manner, as there is a process of adaptation of the eyes from a bright spot to a darker spot, or to a place where people and vehicles are concentrated, which can easily lead to blurred vision. At this time, it is safer to remove sunglasses in a timely manner. The time to wear sunglasses should not be too long. It is recommended to take off and rest every one or two hours, and gently massage around the eyes. Otherwise, symptoms such as headache, irritability, blurred vision, and even decreased vision can easily occur. Elderly people with lens aging and swelling cannot wear sunglasses for a long time, otherwise it can cause accumulation at the root of the iris, causing obstruction of aqueous humor outflow and increased intraocular pressure. In addition, elderly people with glaucoma, retinitis, color blindness, and night blindness are not suitable for wearing sunglasses.
In addition to using sunglasses to protect the eyes, it is also important to note that UV rays reach their maximum intensity from 10 a.m. to 2 p.m. At this time, it is important to minimize going out or to avoid areas that can reflect light, such as waterside or sandy areas, which can increase the chance of light casting into the eyes.
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