29+ Transpose Rx Calculator. Learn the steps and importance of accurate cylinder conversions for optometry practice. Enter the rx and click the button to transpose it to plus or minus cylinder form.

This calculator is designed to convert eyeglass prescriptions to contact lens prescriptions using the back vertex power equation. Learn how to change a plus cylinder to a minus cylinder in eyeglass prescriptions with a simple formula and a calculator. Use this tool to calculate your eye prescription needs quickly and accurately.








