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Vision continues improving up to 12 months after multifocal IOL implantation, study finds

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SAN DIEGO — Patients bilaterally implanted with the Tecnis multifocal IOL had a significant improvement in both contrast sensitivity and visual acuity between 6 and 12 months postop, a prospective study presented here found.

Ana F. Fonseca, MD, and colleagues compared the visual outcomes between 6 and 12 months postop for 14 eyes of seven patients implanted with the Tecnis IOL (Advanced Medical Optics). The researchers assessed both uncorrected and best corrected distance and near visual acuities as well as binocular contrast sensitivity measured under photopic and mesopic conditions.

At 6 months follow-up, all patients had 16/20 best corrected distance VA and J1 near VA. At 12 months, UCVA was 12/20 and BCVA was 10/20.

Also at 12 months follow-up, all patients had J1 near VA, except for one patient who could read at J2 uncorrected, Dr. Fonseca said. All patients were satisfied with their refractive results, she noted.

"The Tecnis multifocal IOL provides good refractive results in visual acuity with high results of spectacle independence," she said. "However, it doesn't suit every patient. We have to be careful [about] whom we are going to implant ... and it might require some cortical adaptation, which could explain the improvement in vision quality from the 6-month to 12-month follow-up."