Preliminary Evaluation of the Clinical Benefit of a Novel Visual Rehabilitation Program in Patients Implanted with Trifocal Diffractive Intraocular Lenses: A Blinded Randomized Placebo-Controlled Clinical Trial.

After the training, the values of contrast sensitivity obtained in the study group for the spatial frequencies of 1.5, 3, and 6 cpd were higher for most of subjects than those obtained in the placebo group, but differences between groups did not reach statistical significance ( p ≥ 0.08).

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