"Plastic" glasses is a general term to distinguish them from metal or titanium glasses. Several different types of plastic are used for prescription glasses, but the most common is cellulose acetate, or zyl. These are high-grade plastics that have been developed especially for use in eyewear due to the stiffness, malleability, and the incredible array of color that can be used. Most cellulose acetate is derived from plant fibers. Men enjoy plastic frames mostly for their long history of use by lawyers, bankers, and statesmen employing the "conservative" look. Plastic offers a huge diversity of color opportunities compared to men's metal glasses. But let's not ignore history and the largest proportion of men that are still going for the conservative look. Conservative = safe = intelligent in some circles, and the styles and shapes abound that fit this bill. All our men's plastic glasses can all be customized with prescription lenses, just like all of our glasses and sunglasses. All of our 350 designer eyewear brands feature glasses made of acetate.
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