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The left panel compares binocular through-focus visual acuities (VA) for the four optical conditions in mesopic light. All types of monovision improve binocular VA for vergences greater than 0.5 D, just as in photopic light. In the right panel, binocular depth of focus (DOF) is shown when a threshold of 0.18 logMAR (J2) is set. The greatest DOF is achieved with traditional monovision.
