Please provide your prescription in the following format: Right eye (OD): SPH, CYL, AXIS; Left eye (OS): SPH, CYL, AXIS; PD. 1.56 aspheric lenses suggested power range: SPH: -0.50 to -4.00; CYL: -0.50 to -2.00 / SPH: +0.50 to +4.00; CYL: +0.50 to +2.00. 1.61 lenses suggested power range: SPH: -0.50 to -6.00; CYL: -0.50 to -2.00 / SPH: +4.00 to +6.00; CYL: +0.50 to +2.00. 1.67 lenses suggested power range: SPH: -3.00 to -8.00; CYL: -0.50 to -2.00 / SPH: +3.00 to +8.00; CYL: +0.50 to +2.00. 1.74 lenses suggested power range: SPH: -3.00 to -12.00; CYL: -0.50 to -2.00. Note: Cylinder power +2.00 to +4.00 or -2.00 to -4.00 costs extra $10.

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