Barrett Universal II Formula
IOL power calculator using the Barrett Universal II formula, hosted by APACRS.
Made by
Graham Barrett, MBBCh
FRANZCO; ophthalmic surgeon, Lions Eye Institute; clinical professor, University of Western Australia
Specialty
About Barrett Universal II Formula
An online intraocular lens power calculator for both eyes, hosted by the Asia-Pacific Association of Cataract and Refractive Surgeons. You enter axial length, keratometry, optical anterior chamber depth and target refraction, with optional lens thickness and white-to-white, and pick a lens factor, A-constant or one of many listed IOL models. Data are not saved.
What it does
- Calculates both eyes on one form
- Built-in constants for many IOL models
- Choice of K index 1.3375 or 1.332
- Optional lens thickness and white-to-white
- Formula guide tab
- Nothing saved; print for your records
Topics
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