Product description Nearsighted Swimming Goggles for Adult Men Women Kids Youth Nearsighted Optical Swimming Goggles -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 Nearsighted swim goggles diopters from -1.5 to -10.0 are available, suitable for people with shortsighted swimmers, maintain clear vision in the water. Because of the refraction underwater, please choose 0.5-1 lower than your lens, not higher. If you have little difference between 2 eyes, like -4.0 and -4.5, you can choose a pair of -4.0 or -3.5. If you have big difference between your 2 eyes like -2.0 and -5.0. You can buy 2 pairs and assemble them. Professional Goggles for Swimming Shortsighted Optical Swimming Goggles Package includes: A pair of swimming goggles, 3 nose bridge in different size, a pair of ear plugs and a portable protective case.