Visual Acuity Reduced Transiently Clinical Trial
Official title:
Preliminary Evaluation of the Clinical Benefit of a Novel Visual Rehabilitation System in Patients Implanted With Trifocal Diffractive Intraocular Lenses: A Blinded Randomized Placebo-controlled Clinical Trial
This multicentre randomised controlled trial aimed to reduce the visual discomfort that patients implanted with trifocal diffractive intraocular lenses may experience after surgery. To this end, a visual training software (Optictrain) was developed in which Gabor patches were presented to the patient on a hand-held electronic device. Patients who met all inclusion criteria and consented to participate underwent half an hour of visual training per day for a period of 20 consecutive days remotely on a colourimetrically characterised Samsung Galaxy Tab A device on which the Optictrain software (n=30) or a placebo software (n=30), respectively, was pre-installed. Corrected and uncorrected near, intermediate and distance visual acuity (VA) and mesopic near and distance contrast sensitivity (CS) were measured monocularly and binocularly at two visits: during the first postoperative week (V0) and after 20 days of visual training with the assigned software (V1). The statistical analysis of the results obtained in the study has not yet been carried out.
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