How glasses are made and its uses to us.
It it’s a bright, clear day outside, you may reach for your sunglasses when you head for the door. And you probably do that without much thought. More than just stylish fashion accessory, sunglasses offer a lot of benefits for us. They provide protection from ultraviolet rays, intense light, and glare. All of these damage our eyes. Sunglasses can also eliminate specific frequencies of light.
Read more: http://www.bukisa.com/articles/357361_wear-your-sunglasses#ixzz107rYRef1
Read more: http://www.bukisa.com/articles/357361_wear-your-sunglasses#ixzz107rYRef1
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