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You may have hearted about bifocal gasses from many people or ads. What are bifocal glasses? Why are they so popular? Let’s get to know some facts about bifocal eyeglasses as follows. 
Definition: Bifocal glasses are eyeglasses that have bifocal lenses and bifocal glasses have two focal point. There is a visible line on the bifocal lens, which separates the two focal portions.. The bottom is for viewing close objects and the upper part for distant objects. In simple words, bifocal glasses are able to make you see near and distant objects with clear clarity. Usually, bifocal eyewear is designed for people who suffer more than one vision problems and need vision aids both for near and far distances. 
Type: There are two main types of bifocals: bifocal ones and no bifocal ones. bifocal glasses have a obvious similar to magnifying glasses, bifocal glasses not only make you see things close-up clearly but also have a clear vision for distance without changing glasses. you can see throng the upper part of the lens when seeing distance and look down through the bottom part for near objects line on the lens and have two focal points, one for distance and one for near. No line bifocal, also named progressive don’t have a vision line and have multiple focal, which allow you to see at many distances. Functions: similar to magnifying glasses, bifocal glasses not only make you see things close-up clearly but also have a clear vision for distance without changing glasses. you can see throng the upper part of the lens when seeing distance and look down through the bottom part for near objects. Styles:With so many glasses styles available on the market, wearers are likely to find different bifocal glasses styles feature stylish design. For those who like simple style, rimless glasses especially metal ones feature simple and sleek design. For those who are into vintage, retro glasses such as horn rimmed glasses, round glasses are hot right now. To admit no doubt, it is not that hard to find a chic glasses style. Materials: bifocal glasses can be made from different materials. There are plastic, metal, memory plastic, etc available on the market. If you pay much attention to flexible and lightweight glasses, you can choose titanium eyeglass frames for your bifocals. If you want your bifocals more fashionable, you can choose plastic materials that feature a wide range of styles and colors. Generally speaking, bifocals are flying off the shelves especially among people over 40s. If you have myopia and presbyopia at the same time, it is time to get a pair of bifocals and enjoy a clear world. Default Author Bio: Firmoo.com is the fastest growing online community selling affordable yet high quality cheap glasses, thick glasses and other eyewear. Firmoo's return and refund policy makes your purchase with Firmoo risk-free. Be sure to get your eyeglasses ready.
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