IOL Master 700
Current Zeiss generation. Includes all features of the 500 model, as well as swept source biometry technology, and OCT imaging across the entire length of the eye. Rarely available pre-owned.
Current Topcon multi-function instrument including IOL calculations, keratometry, topography, & pupillometry. Includes Olsen & Barret formulas. Rarely available pre-owned.
Haag Streit Lenstar
Current Haag Streit model featuring laser optic measurements. Integrates the Olsen formula, Hill-RBF calculator, with the optional addition of the Toric Planner feature including the Barrett Toric Calculator.
IOL Master 500
Current Zeiss generation. Includes all formulas found on the v 5.4 model, as well as the Holladay II formula.
IOL Master 5.4
Previous Zeiss generation. Includes the SRK II, SRK/T, Holladay, Hoffer Q, Haigis, and Haigis-L formulas.
IOL Master 3.1
Previous generation of Zeiss IOL Master manufactured and sold between 2004 and 2006. Replacement parts are obsolete; no longer purchased or sold by ECA.
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