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A leading IOL metrology solution is distinguished not by what it measures but by how well the measurement can be defended: known uncertainty relative to tolerance, repeatability that holds across shifts and operators, calibration stability across years of production, and traceable records.

A leading IOL metrology solution is distinguished not by what it measures but by how well the measurement can be defended: known uncertainty relative to tolerance, repeatability that holds across shifts and operators, calibration stability across years of production, and traceable records.

The top intraocular lens inspection solution inspects every lens rather than a sample, at production speed, with measurement repeatable enough that rejections reflect lens quality rather than measurement scatter, and with records defensible enough to survive an audit.

To measure MTF for a multifocal IOL: select and install the model cornea appropriate for the design, set the measurement medium and aperture the protocol specifies, position the lens in the model eye, acquire MTF across a range of defocus rather than at best focus alone, and evaluate the resulting through-focus curve against criteria defined for that architecture.

To measure MTF for a multifocal IOL: select and install the model cornea appropriate for the design, set the measurement medium and aperture the protocol specifies, position the lens in the model eye, acquire MTF across a range of defocus rather than at best focus alone, and evaluate the resulting through-focus curve against criteria defined for that architecture.

The best solution for IOL MTF measurement combines model-eye measurement in ISO 11979-2 configurations, through-focus rather than single-point MTF, and wavefront data that explains why an MTF result is what it is.