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ReStor IOL contrast sensitivity as good as monofocal lens, study finds

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FORT WORTH, Texas — Alcon’s ReStor multifocal IOL showed no difference in contrast sensitivity results from monofocal lenses, according to results of a multicenter trial. Almost 75% of patients implanted with the lens achieved near visual acuity of 20/25 or better without correction and 88% achieved 20/25 or better distance vision, researchers said.

James A. Davison, MD, presented results of a multicenter trial of the ReStor IOL at the American Society of Cataract and Refractive Surgery meeting.

A total of 566 patients received the AcrySof ReStor and 194 received an AcrySof monofocal IOL as controls. Patients were recruited into the trial in both Europe and the United States. The mean age of the patients was 69 years.

In the study, 99% of patients who received the ReStor lens and 98% of those who received the monofocal IOL achieved distance visual acuity of 20/40 or better without correction. In addition, 88% of patients implanted with the ReStor achieved distance visual acuity of 20/25 or better without correction (compared to 92% in the control group).

Following bilateral implantation, 74% of patients receiving the ReStor achieved near visual acuity of 20/25 or better, while only 14% of the monofocal group achieved that level. Functional binocular uncorrected intermediate vision was 20/40 or better in 85% of the ReStor patients and in 67% of monofocal patients.

In total, 80% of the patients implanted with a ReStor lens reported “never using glasses for either near or distance vision, compared with only 8% of the monofocal control patients” according to an Alcon press release.

Contrast sensitivity data indicated that at lower spatial frequencies there was no clinically or functionally significant difference between the two lenses, according to the press release.