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Lens reduces posterior, anterior capsular opacities
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MUNICH, Germany — Patients implanted with a new sharp-edged IOL maintained clear anterior and posterior capsules after 3 years follow-up, according to a surgeon speaking here.
Philippe Sourdille, MD, discussed the Concept 360 IOL from Cornéal here at the European Society of Cataract and Refractive Surgeons meeting.
Dr. Sourdille said the development of square-edged lens designs has already led to dramatic reductions in posterior capsular opacification (PCO). But anterior capsular opacification (ACO), which can occur with all lens materials and current lens technologies, has been a neglected problem, he said.
In ACO, lens epithelial cells migrate to the anterior surface of the lens optic, blocking vision.
Patients implanted with the Concept 360 IOL from Cornéal have maintained clear anterior capsules even after 3 years, Dr. Sourdille said.
The Concept 360 IOL is a hydrophilic acrylic square-edged IOL that is implanted in the capsular bag. It features six haptics that encircle the entire lens, giving it a tension ring effect. Additionally, the lens is angled 10 degrees to the posterior, which helps prevent the lens optic from contacting the anterior capsule.
Dr. Sourdille said the combination of these features has resulted in a stable lens that is resistant to both PCO and ACO.
He said ACO is prevented because the angulation of the optic prevents contact with the migrating lens epithelial cells, allowing the cells to be flushed away by the aqueous fluid. In his pilot study, at 3-year follow up transparent anterior capsules were still visible, he said.
Dr. Sourdille noted that in the event that a capsulorrhexis is made too small, the six haptics are designed to fold over in the bag, allowing the lens to be implanted.