You want to provide the best fit, comfort and visual acuity for all your patients that wear contact lenses. We’re here to help.

Take advantage of the tools and contact lens calculators below.* They’re designed to help you maximise fitting effectiveness, patient care and practice efficiency.

Spectacle Conversion Calculator

Easily convert a patient’s eyeglasses prescription to the corresponding contact lens parameters.

ToriTrack Calculator

Get the calculated theoretical power plus our recommendation for CooperVision toric lenses with specific parameters.

Multifocal calculator

Multifocal calculator makes the fitting process for presbyopic patients simpler and more efficient – helping you select lenses and save chair time.

Efron Grading Scales

A standard clinical reference that helps quantify 16 contact lens wear-related anterior eye conditions.

* The calculators are designed to help eye care practitioners and are not a substitute for a professional contact lens fitting by a qualified eye care practitioner.