European Society of Cataract and Refractive Surgeons Meeting
European Society of Cataract and Refractive Surgeons Meeting
October 07, 2013
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New accommodating IOL technology widens capsular bag to prevent PCO

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AMSTERDAM — A new technology in IOLs that expands the capsular bag to prevent posterior corneal opacification is in development, according to a presenter here.

 “Accommodating IOLs, in order to perform properly, will need a clear capsular bag with limited PCO and especially limited capsular fibrosis,” Nick Mamalis, MD, said at the European Society of Cataract and Refractive Surgeons meeting. To that end, Mamalis and colleagues are researching new designs of accommodating IOLs. Mamalis said that one way to prevent PCO is to have widely expanded capsular bag.

Nick Mamalis, MD

Nick Mamalis

The FluidVision lens (PowerVision), a hydrophobic acrylic accommodating IOL under test, uses a hollow, fluid-filled optic and oversized haptics to accomplish that feat.

“It has these very large and balloon-like haptics filled with silicone oil that moves in and out from the haptics to the optics with accommodation to change the focus of the lens,” he said.

In rabbits implanted with the FluidVision lens, the anterior capsule remained clear and the anterior capsule at and around the capsulorrhexis edge was generally devoid of any fibrosis, Mamalis said.

Disclosure: Mamalis serves on the scientific advisory board of Medennium and Anew Optics and does contract research for Abbott Medical Optics, Alcon, Allergan, Bausch + Lomb, Calhoun Vision, PowerVision and MBI.