The Oakley Frogskin Prescription Sunglasses is a durable, lightweight frame with High Definition Optics®. In other words, these sunglasses lenses eliminate distortion to give you clearer, sharper, and more accurate vision.The lenses are also designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions. Plus, you can choose the Prizm™ Technology lenses to maximize vision and bring out fine detail. In addition, the Oakley Frogskin Sunglasses are prescription available. For more options check out our Oakley Sunglasses Collection.