Contact lens Equivalent Calculator

Right / O.D. SPH
Take note: Nearsighted or negative (-) sign grade only accepted for our contact lens
Astigmatism / CYL
Vertex Distance / VD
If you don't know your vertex distance, 12 is normal value.
Axis
Toric Contact Lens is recommended
Left / O.S. SPH
Take note: Nearsighted or negative (-) sign grade only accepted for our contact lens
Astigmatism / CYL
Vertex Distance / VD
If you don't know your vertex distance, 12 is normal value.
Axis
Toric Contact Lens is recommended
X