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Accommodating lens shows better results than conventional
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SAN FRANCISCO — An accommodating IOL has “measurable improvements in near vision” when compared to conventional IOLs, said Jonathan M. Davidorf, MD.
He described results of an ongoing, non-randomized, unmasked prospective study on 124 eyes of 71 patients who underwent standard coaxial phacoemulsification with IOL implantation. He said comparative studies of accommodating vs. conventional IOLs are rare, making it difficult to council patients on which lens to choose.
“We don’t understand it, so how can we talk about it with our patients?” Dr. Davidorf said here at the American Society of Cataract and Refractive Surgery meeting.
In his trial, patients were implanted with either the Alcon AcrySof (53 eyes) or the eyeonics crystalens (71 eyes). Best corrected near vision was measured using a Jaeger card through distance manifest refraction.
Accommodative amplitude at 1 m was 1.52 for the crystalens and 0.83 for the AcrySof, Dr. Davidorf said. At 3.6 m, values remained the same.
Dr. Davidorf said after patients adjusted to the crystalens, he found uncorrected near vision was more improved than was documented in the study, with slight myopic endpoint and bilateral implantation.
“In use, it’s even more powerful,” he said. “In the real world, you’re looking out of both eyes.”