Prescription Guide
Your prescription may include a SPH, CYL, Axis and ADD:
| OD | Right eye parameters |
| OS | Left eye parameters |
| SPH | Sphere indicates the amount of lens power prescribed for nearsightedness or farsightedness |
| CYL & AXIS | A Cylinder (CYL) and Axis is required to correct Astigmatism. Both parameters will be her |
| ADD | This provides magnifying power for reading, progressive and bifocal lenses |
In addition to the general parameters, a contact lens prescription will include a Base Curve (B.C.) and a Diameter (DIA).
If you have any question about contact lens prescription contact us at service@lesotti.com.
