Prescription (Rx) Add-on Options:Hi Index (scripts over 2.50) This lens family concentrates on

This lens family concentrates on a specific piece of the visual spectrum and accelerates the eyes registration of Orange

Every Razor Edge has an integrated vented sweat bar and can use a one piece or larger two-piece insert for prescriptive correction

The visual sight picture offers a color enhancing experience that calms the eye given there is no visual disruption in ambient light

In the 2012 Olympic Games

Prescription (Rx) Add-on Options:Hi Index (scripts over 2.50) This lens family concentrates onPrescription Rx This is for Pilla to fill your prescription . This is per pair of lenses (540, 580, and Lifestyle Lines). For a 3 Lens Kit with Rx, you must add x3 Prescription Rx's to your order Selections Progressive + High Index Lens (Pair) + Anti Reflection Coating High Index is for Prescriptions over 3+ and not in a 580