PolarOptics Clipons Premium Polarized Sunglasses provide sun protection for eyeglass wearers and are designed to be worn over your prescription frames. PolarOptics clipons block 100% UV and are equipped with polarized lenses to reduce glare. PolarOptics feature premium scratch-resistant lenses and are crafted from superior-quality materials, including gentle-grip prongs that won't scratch your glasses. PolarOptics clipons are lightweight and rimless, blending seamlessly into your optical frames.