Quickly convert a glasses prescription into a contact lens prescription and its spherical equivalent with this easy-to-use calculator.

Easily convert a patient’s eyeglasses prescription to the corresponding contact lens parameters. A standard clinical reference that helps quantify 16 contact lens wear-related anterior eye …

Contact lens prescriptions require additional parameters like base curve and diameter that are not calculated here. Results are rounded to the nearest 0.25 diopter for practical use.

Easily convert a patient’s prescription for glasses to the corresponding contact lens parameters. Efron grading scales. A standard clinical reference that helps quantify 16 contact lens wear …

Based on your prescription characteristics, the calculator provides specific recommendations about lens types, fitting considerations, and when professional consultation is essential.

Convert your patient’s spectacle prescription to a contact lens prescription with the MyAlcon FittingHub calculator. Try it now!

Free online contact lens calculator for optometrists & eye care professionals. Convert spectacle prescriptions (Rx) to initial contact lens parameters, including vertex distance, monovision & …

Use the Eye Prescription Conversion Calculator to convert between sphere, cylinder, axis, and contact lens values. Fast and accurate.

Contact lens conversion charts are handy tools that help users understand the differences between different measurement units used in various countries. These charts typically include …

Convert your contact lens prescription to glasses prescription with our accurate converter. Get precise conversion for sphere, cylinder, and axis measurements.