OPD-Scan III Refractive Power/Corneal Analyzer Opthalmic || Software versions 1.00.08 1.05.07 1.10.01, 1.01.02 1.06.02 1.11.02, 1.02.01 1.07.01 1.12.03, 1.03.02 1.08.01 1.13.01, 1.04.03 1.09.01. || Opthalmic: The OPD-Scan III is a diagnostic instrument that is indicated for use for Mapping of refractive error distribution of the eye by measurement and analysis of spherical power, cylindrical power, and cylinder axis.