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New-generation gradient optic IOL offers good vision at all distances
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MILAN — A new-generation multifocal IOL with a gradient optic offers optimal visual performance with no induction of optical phenomena, according to one speaker here.
The Gradiol multifocal lens, produced by the Fyodorov Eye Microsurgery State Institution in Russia, is the latest product of 10 years’ evolution of the gradient optic concept. A special method of photopolymerization produces a smooth optic surface in which two polymers with different indexes of refraction are combined to offer distance and near vision without transition zones.
Tatiana Morozova
“The main advantage is the absence of optical phenomena,” Tatiana Morozova, MD, PhD, said at the European Society of Cataract and Refractive Surgeons meeting.
The results of 25 eyes implanted with the Gradiol lens were presented. At 3 months, mean uncorrected visual acuity was 20/20 at distance, 20/30 at intermediate and 20/25 at near. Contrast sensitivity measured in daylight decreased mildly in high spatial frequencies. Mean amplitude of pseudoaccommodation was 4.75 D. OPD-Scan aberrometry (Marco/Nidek) yielded good results for point spread function and Strehl ratio.
“Patients were completely satisfied in daytime conditions and mostly satisfied at night. Eighty-five percent of them did not use glasses for near vision during their daily activities. Optical phenomena were experienced by only 4% of the patients,” Morozova said.
Disclosure: Morozova has no relevant financial disclosures.