There is no need for contacts or poor vision in the water with the tyr corrective optical goggles. The corrective optical goggle is a distinctive step diopter goggle in spherical prescription lens options. It features a universal eye socket frame design for superior fit, wide angle, optical grade polycarbonate lenses, comfortable thermal plastic rubber gaskets that providefort and leak-proof fit, and a durable, split tpr head strap providingfortable yet secure fit