Online Premium IOL Calculator

Rayner’s Raytrace  system offers surgeons an online IOL power calculator which is quick and easy to use, providing clear and accurate power recommendations for Rayner’s complete range of premium lenses.

Use it for simple calculations and IOL power recommendations, or go one step further and confirm selections via email directly with Rayner or your local distributor to initiate an order.

New Users

If you would like to register to use the Raytrace calculator, please click here


Raytrace support

Raytrace version 3.5 User Guide

Raytrace 3.5 improvements and updates overview

Please find below an overview of the Raytrace 3.5 improvements and updates, select the boxes below to find out more. If you have any questions on the updates, please contact