With safety performance sunglasses, the lenses using impact resistant materials, and instructions on the label are often marked impact on performance if the products meet the requirements of the label, the driver and other special requirements for the safety of consumers is a good choice. Commitment to the label on the product, consumers should learn to protect themselves, the label or description either keep it, or let the businesses indicated on the invoice, in case of disputes, it will not be for lack of evidence passivity. Choose Cheap Oakleys Frogskins Sunglasses Sale sunglasses myopia glasses need to be considered. Select a layer in glasses wearing sunglasses plus the advantage of convenient, the disadvantage is heavier lenses, double lenses seem cumbersome, heavy exercise easily shift or fall off. Equipped with a myopia sunglasses, the advantage is relatively lightweight and beautiful, easily fixed, the disadvantage is that the glasses of good quality generally more expensive. Low or moderate myopia patients without compromising security in general and can be worn without diaper sunglasses. For patients with moderate myopia diaper still have to wear sunglasses was safe.
Children can wear sunglasses. Children eyes delicate, easy to light damage, in this sense, children also need to wear sunglasses, but it should be noted that children not suitable for a long time to wear sunglasses. Because of their visual function and development has not reached adult levels, prolonged wearing sunglasses may form amblyopic. The correct way is when the sun is strong to the children to wear in the sun becomes weak promptly removed. Select lens material, should be based on age and frequently engage in activities, preferences factors to select. Glass lenses, high hardness, not prone to scratches, but is easy to shatter. Due to the nature of work or other reasons is easy to make glasses coated with dust and scratches caused by the lens, the best choice of glass lenses. Resin lenses, light weight, not easy to be broke, but lower hardness, prone to scratches. Because most children naughty fun, eye injury due to broken lens things often occur children is best to choose a resin film. Also, photo chromic lens is a good choice.
Glaucoma lens nucleus begin to harden, the cortex began to swell, resulting in anterior chamber swallowing. Wear Tiffany and Co Bracelet Jewelry Outlet sunglasses, the visible light entering the eye is reduced, the pupil will naturally open big, easy to accumulate in the corner while the iris blocking aqueous outflow channels, a long time, are likely to cause acute angle-closure glaucoma, there jealous and vision sharp loss and other symptoms. If economic conditions permit, on different occasions should choose different sunglasses. For example, some sports sunglasses, their frames are specially made, depending on the need to protect the eyes, can be comfortably worn securely. For those who love golf and tennis people, amber lenses can effectively increase the contrast and absorb blue light, helps the movement visual comfort. Outdoor swimming after UV treatment is best to wear swimming goggles. Choose the best polarized sunglasses fishing enthusiasts because polarized lenses eliminate glare from all directions, making the object appear clearer. It uses the same light and lens precision synthetic resin sheet by the seven syntheses, the outermost layers are hard wear-resistant layer, and the middle layer is a polarizing filter layer.
The harmful effects of indiscriminate sunglasses big summer heat, plus the sun blinded to shake people, a lot of people on the go has donned sunglasses to avoid eye was strong sun damage. Although sunglasses to cover the sun, but the selection and worn improperly, it would see eye damage. If the sunglasses without UV protection function, it might as well not wear, but also harmful. Do not be cool looking, to ignore the protection of the eyes. Wear sunglasses without UV protection function than not wearing more serious damage to the eyes, does not mean sunglasses tinted glasses. However, this is not enough awareness of the public, there are still many on sunglasses misunderstanding. Because of their own can not block ultraviolet light, will lose the function of sunglasses. Because the body has self- preservation instinct, when the eye encounters light, the pupil on the habits smaller, so that the ultraviolet energy into the public eye reduction. If you wear the Cheap North Face Men's Denali Jackets Sale glasses without UV protection function, it will make amplification, because there is no effect of UV rays, is equivalent to open the door, despite the UV invasive, and can also increase a lot of expenses. Wearing glasses without UV feature great harm to the eyes.
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