Dear Healthcare Professional,

Whilst we are working to improve your experience on this website, we recommend to use the IOL toric calculator based on the Kane Formula available at in the selection of dioptric powers for Mini Toric and Mini WELL Toric. A-Constants of both models have been optimized to ensure the most reliable results.

Go to, fill out the forms choosing either "SIFI Mini Toric" or "SIFI Mini WELL Toric" from the "IOL Type" drop down menu as appropriate.

For further information please visit