How should summer prevent bask in old people to choose sunglass
In the scorching summer sun, many young people will wear a pair of sunglasses not only to protect themselves from the sun, but also to show off their fashion sense.In the eyes of many old people, wearing sunglasses in summer is a young thing to catch up with the fashion.But in fact, summer sun protection is equally important for the elderly, can effectively prevent the occurrence of some eye lesions.
Summer excessive ultraviolet ray is point-blank double eye, can cause corneal oedema, appear the symptom such as tear, ache to affect vision thereby.According to another foreign authoritative ophthalmology journal report, long time in the sun will lead to early "senile macular disease", the latter is one of the main factors causing vision decline in the elderly.And for patients with cataracts, keratitis, conjunctivitis, retinal detachment and other eye diseases, wearing sunglasses can promote the recovery of the disease, in the hot summer to bring enough cooling and protection.
When the elderly are choosing sunglasses, it is best to choose lenses that can block the ULTRAVIOLET rays. Be sure to read the labels carefully, not because the higher the price, the stronger the protection.Old people can choose different sunglasses for different occasions.For example, when fishing, you should choose polarizer, which can eliminate the strong light from all directions and make your vision clearer.When the old man climbs a mountain to the outskirts, can choose gray, tawdry sunglasses, prevent ultraviolet ray function best.
There are also some caveats to wearing sunglasses.Cross the road or to the shade, to take off sunglasses in time, because from the light to the dark, or to the car concentration, the eyes have an adaptation process, easy to lead to blurred vision, this time should take off sunglasses in time, more safe.The time of wearing sunglasses should not be too long, every one or two hours, it is recommended to take off and take a rest, gently massage the eye week, otherwise it is easy to have a headache, irritability, blurred vision and other symptoms, and even lead to vision decline.Elderly crystal aging expansion, can not wear sunglasses for a long time, otherwise it will cause iris root accumulation, resulting in the outflow of water blocked, increased intraocular pressure.Additional, the old person that has glaucoma, retinitis, color blindness, night blindness does not suit to wear sunglasses.
In addition to protecting your eyes with sunglasses, it should also be noted that ultraviolet rays reach their maximum intensity between 10 a.m. and 2 p.m. At this time, you should try to reduce going out, or less reflective places, such as water, sand, these places will increase the chance of light to the eye.
