Wednesday, September 26, 2012

Equivalent spherical lens for someone with astigmatism?

I was wondering what the "normal" prescription would be for this. This is my toric contact lens prescription

Left Eye SPH -6.50 AX 80 CYL -1.25

Right Eye SPH -5.50 AX 180 CYL -2.25
>>> Equivalent spherical lens for someone with astigmatism?