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Simulated Eye Model Experiments for Selecting a Depth-of-Focus Metric

PURPOSE

An intraocular lens (IOL) that extends depth of focus (DOF) will result in greater spectacle independence because of gains in pseudo-accommodation. To determine DOF, a standard metric is needed to gauge the accuracy between subjective and objective DOF measurements. This study reports on four different DOF metrics: two through-focus modulation transfer function (MTF) responses at 6c/deg and at 15c/deg; through-focus Strehl ratios (SR), and one that considers through-focus ensquared energy (EE) on the image plane.

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