Please note: lenses are sold individually — purchase 2 for a complete pair along with a strap kit CPS570A Build a custom prescription swimming goggle with the View VC-580AS SWIPE Corrective Lenses. Featuring View's innovative SWIPE Anti-Fog & Anti-Bacterial technology, these lenses restore crystal-clear vision with just a few finger swipes — no more stopping at the wall to defog. Available in one of the widest prescription ranges of any swim goggle lens, from -10 to +6. Not sure which strength you need? Use our Dioptre Calculator to find the right lens for your prescription. What You Need 2 x VC-580AS Corrective Lenses — select the strength that matches your prescription (lenses are interchangeable) 1 x CPS570A Adult Strap Kit — includes silicone strap, 3 nose bridges, and side clips Available Prescription Strengths Positive: +1.5, +2.0, +2.5, +3.0, +3.5, +4.0, +4.5, +5.0, +6.0Negative: -1.5, -2.0, -2.5, -3.0, -3.5, -4.0, -4.5, -5.0, -5.5, -6.0, -6.5, -7.0, -8.0, -9.0, -10.0 Features SWIPE Anti-Fog & Anti-Bacterial coating — restore clarity with a simple finger swipe Smoke lens only 100% UV protection (under 380nm) Simple, tool-free assembly Suitable for adults Important: A CPS570A Adult Strap Kit is required to create a complete goggle.