How Should the Olderly Choose Sunglasses for Sunscreen in Summer?
In summer, excessive ultraviolet rays directly hit both eyes, which can cause corneal edema, tears, pain and other symptoms, thus affecting vision. In addition, according to the authoritative foreign journal of Ophthalmology, exposure to the sun for a long time will lead to "senile macular disease" in advance, which is one of the main factors causing vision loss in the middle-aged and elderly. Moreover, for patients with eye diseases such as cataract, keratitis, conjunctivitis and retinal detachment, wearing sunglasses can promote the recovery of the disease and bring enough cooling and protection in hot summer.
When the elderly choose sunglasses, they'd better choose lenses that can block ultraviolet rays. They must carefully look at the logo. It's not that the higher the price, the stronger the protection. The elderly can choose different sunglasses on different occasions. For example, when fishing, you should choose a polarizer, which can eliminate the strong light from all directions and make the field of vision clearer. When the elderly climb mountains in the suburbs, they can choose gray and Tan sunglasses, which have the best UV protection function.
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