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The results of implanting 269 3M multifocal intraocular lenses are analyzed and compared with those of monofocal lenses. Visual acuity results were excellent. In the best case group, 98% of eyes obtained a distance visual acuity of 20/40 or better and 96% of best cases obtained a functional reading capacity without supplementary reading correction. On contrast sensitivity testing, eyes with the 3M multifocal intraocular lens performed slightly less than eyes with a monofocal lens using the Regan low contrast charts and the Vistech charts for near vision.
Frank Goes (Sun,) studied this question.