Диоптрии: +2.50, +4.50, +5.50, +6.50, +7.50, +8.00, -0.50, -0.75, -1.00, -1.25, -1.50, -1.75, -2.00, -2.25, -2.50, -2.75, -3.00, -3.25, -3.50, -3.75, -4.00, -4.25, -4.50, -4.75, -5.00, -5.25, -5.50, -5.75, -6.00, -6.50, -7.00, -7.50, -8.00, -8.50, -9.00, -9.50, -10.00, -10.50, -11.00, -12.00