Sph-Оптическая сила
-8.0, -7.75, -7.5, -7.25, -7.0, -6.75, -6.5, -6.25, -6.0, -5.75, -5.5, -5.25, -5.0, -4.75, -4.5, -4.25, -4.0, -3.75, -3.5, -3.25, -3.0, -2.75, -2.5, -2.25, -2.0, -1.75, -1.5, -1.25, -1.0, -0.75, -0.5, -0.25, 0, +0.25, +0.5, +0.75, +1.0, +1.25, +1.5, +1.75, +2.0, +2.25, +2.5, +2.75, +3.00, +3.25, +3.5, +3.75, +4.0, +4.25, +4.5, +4.75, +5.0, +5.25, +5.5, +5.75, +6.0