How To Select The Right Lens Material For Men's Sunglasses
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How To Select The Right Lens Material For Men's Sunglasses · Lenses come in a variety of shapes based on the frame of the sunglasses. Square, round, rectangular and oval-shaped lenses are common. The lenses on teardrop aviators and wrap-around sunglasses for sport have a non-distinctive shape. Lenses are typically made of : Optical Glass – Optical Glass Lenses provide distortion-free vision. Optical glass is scratch resistant and extremely durable. They tend to be more expensive but the downside of glass is it spiders on impact. Plastic Lenses – Lighter and more shatter-resistant than glass. A plastic lens is thicker and bulkier and requires an extra coating for scratch proof and UV protection. Polycarbonate – Polycarbonate is lightweight with a high level of optical clarity. It is up to 50 times more impact resistant than optical glass. The disadvantage is a...