Keratometry Adjustor Calculator for Posterior Cornea Effect

This calculator is used to adjust anterior corneal curvature measurements to take into account posterior corneal curvature in an attempt to give a more accurate picture of total corneal power.
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Toric Refractive Surprise Calculator

This calculator can be used in the setting of a refractive surprise following cataract surgery with the implantation of a toric IOL in order to plan how best to give the lowest refractive astigmatism.
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About goggintoric.com

Michael Goggin

This website provides free access to calculators designed by Associate Professor Michael Goggin, cataract and refractive surgeon, based in Adelaide, Australia. He is an internationally recognised authority on the analysis and treatment of astigmatism, having published over 70 research papers in international, peer-reviewed journals.

Contact Michael Goggin

Feel free to email any questions you may have:


If you would like your patient assessed and/or managed by Associate Professor Goggin, please visit my referral page:
Ashford Advanced Eye Care