subject: What you should know before buying prescription sunglasses online [print this page] Now with the development of Internet, shopping online is getting more and more popular because of its convenience and low price. Many people have the experience of shopping online. You needn't go outside to do window shopping, you just need to click your mouse.
However, you need to consider some issues when you buy prescription sunglasses online, because every pair of glasses is a custom-made item. Not only are there different designs and materials of both frames and lenses and different lens treatments, but everybody's head and eyes are different, too. So you or an optician must take various measurements for a proper fit.
It is an important issue to pick up a pair of prescription sunglasses fits you best. Frames that are too large or that don't fit the bridge of your nose properly can slip. Not only is that uncomfortable, but you also can get a headache if you're not looking through the optical centers of the lenses. On the contrary, if your glasses are too small, they can pinch the sides of your head and leave red marks on your temples. They also can cause discomfort behind your ears or on your nose.
Another issue of shopping prescription sunglasses online is to make sure glasses look good on you. When you shop in a traditional optical store and want to know how a pair of glasses looks on you, you simply try them on. While shop online, you cannot try. You can use the live help, a person will guide you to buy a pair of glasses according to your facial features.
There are some other issues you should know before buying prescription glasses, if you are curious about them, please visit http://www.firmoo.com
What you should know before buying prescription sunglasses online
