Prescription adapter available. Prescription adapter carries prescription lenses and snaps inside goggles. Prescription prices shown are for lenses up to 4.00 diopters with up to 2.00 cylinder. Higher prescription subject to a power charge. For additional prescription lens information and options, visit prescription information page. Prices shown are for single vision (SV) prescription lenses only. Progressive lenses are available in store only or see our prescription information page for other options for obtaining progressive lenses. PD is recommended for accuracy. Enter prescription details in box below or fax/email (not required) the Rx to us if you are unsure how to enter it online. Estimated time: 5 to 7 working days. Fog coating adds an extra week.