Pseudoaccommodative lenses creating ‘new standard’ in IOL technology
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FLORENCE, Italy — The newest generation of pseudoaccommodative IOLs are likely to become the “new standard” as cataract surgery increasingly becomes a refractive procedure, a number of surgeons speaking here said.
According to speakers here at the Florence Symposium, new pseudoaccommodative IOLs — lenses that provide the patient with more than one point of focus without movement in the eye — have compared favorably with other options for correction of presbyopia, such as modified monovision and accommodative IOLs.
The Florence Symposium is the Joint Meeting of Ocular Surgery News, the Italian Association of Cataract and Refractive Surgery and the Italian Society of Ophthalmology.
Among the newer IOL technologies, diffractive technologies are favored by some cataract surgeons. The apodized diffractive design of Alcon’s AcrySof ReStor lens increases visual quality and diminishes the chance of unwanted visual disturbances, such as glare and halos, Stephen F. Brint, MD, told attendees.
“The lens offers excellent distance and near vision, and although intermediate vision requires some adaptation, 80% of patients are entirely spectacle-free,” Dr. Brint said.
On the other hand, the aspheric profile of Advanced Medical Optics’ multifocal Tecnis lens “compensates for spherical aberration and therefore provides even better contrast sensitivity and improved night driving capability,” said Michael Knorz, MD.
Refractive multifocal implants, such as AMO’s recently approved ReZoom, have improved their performance by combining new materials and optic designs that minimize the well-known problems of glare and halos produced by previous models, speakers said.
Careful patient selection and lens choice remain crucial issues with pseudoaccommodative implants, the group agreed.
Although these lenses “are becoming an increasingly important tool in the armamentarium of cataract surgery, they are not suitable for all our patients,” Johann Kruger, MD, said. “Patients with unrealistic expectations are better avoided.”