Right / O.D. SPHRight / O.D. SPH Take note: Nearsighted or negative (-) sign grade only accepted for our contact lens Astigmatism / CYLAstigmatism / CYL Vertex Distance / VDVertex Distance / VD If you don't know your vertex distance, 12 is normal value. CalculateReset Right EyeRight Eye Left / O.S. SPHLeft / O.S. SPH Take note: Nearsighted or negative (-) sign grade only accepted for our contact lens Astigmatism / CYLAstigmatism / CYL Vertex Distance / VDVertex Distance / VD If you don't know your vertex distance, 12 is normal value. CalculateReset Left EyeLeft Eye
