 Sunglasses are very fashionable and useful gadget. It does not invest in, how best to protect eyes. Summer conjunctivitis are often present within the acute effect of the sun, which dries the eyes and irritation. However, under the influence of intense UV rays produces free radicals in the eye that make much more damage than conjunctivitis - contribute to cloud the lens (cataract) and macular degeneration (AMD), which is the portion of the retina responsible for color perception and visual acuity. The result of destructive activity of free radicals is impaired vision and even blindness. Fashionable sunglasses with a filter.
The harmful effect of ultraviolet rays are particularly vulnerable persons with a clear. But even if you have very dark eyes, you need to protect. First of all, buy a good pair of sunglasses with a filter. The best ensure the protection of brown glass, amber, green and gray. Make sure it is the CE marking on them - indicates that the ultra-violet absorbing filter. This is best done with the purchase of optics. Avoid wearing spectacles with very dark lenses - especially if you are not sure whether there is actually a filter. To ensure good vision, the pupils will then expand strongly, and reaches deep into the eye for no more harmful ultraviolet rays than if you do not have glasses on the nose. In addition, glass can not be too small - they should carefully screen all of the eyes. Fortunately, the hit of the year are a pair of sunglasses for large lenses, and even very big. The role of diet - that what we can significantly strengthen the protection of the eyes from free radicals. Such characteristics have antioxidants - neutralize destructive radicals and inhibit the formation of substances harm blood cell. For the eye is particularly important vitamin A (egg yolk, butter, liver) and beta-carotene (carrots, apricots, pumpkin), which the body converts to vitamin A. To be a valid antioxidants vitamin C (citrus, pepper, black currant ) and E (oil). But the most eye-security agencies anthocyanins are derived from the black berries and blueberries. Anthocyanins are fighting the free radicals and regenerate the enzymes necessary for proper vision. Luteins (appear dark green vegetables, especially spinach, pumpkin, red peppers) accumulates in the central part of the retina, and the yellow spot acts as a filter for harmful eyes light. In addition, diet can help with that contains substances that act protectively on the eyes. |
