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Luis Fernandez-Vega, Jose F. Alfonso, Begoña Baamonde, Guilherme Ferrara, Jesus Merayo-Lloves; Nd:Yag Capsulotomy and Diffractive Intraocular Lenses. Invest. Ophthalmol. Vis. Sci. 2011;52(14):5689.
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© ARVO (1962-2015); The Authors (2016-present)
To estimate how frequent YAG laser capsulotomy is necessary after lens extraction with six different models of bifocal intraocular lens
A retrospective review of medical data from patients operated on refractive lensectomy with a diffractive IOL was done. We randomly selected patients between 50 and 70 years old operated with one of six different models of diffractive IOLs. In all the cases, the studied event was the Nd:YAG laser capsulotomy. Statistical analysis was done with Kaplan Meier survival curves.
650 eyes of 351patients, 112 men (32%) and 239 women (68%) with a mean age of 58 years old were included. The IOLs implanted were: ACRI.TEC 737/733 in 128 eyes, ACRI.TEC 447/443 in 69 eyes, ACRI.TEC 366 LISA in 131 eyes, ALCON ReSTOR in 122 eyes, ALCON ReSTOR-N in 133 eyes, and AMO Tecnis in 67. During the first year, YAG capsulotomy rates were similar with all the lenses, but differences were noted since the 18 months of follow-up. The percentages of laser treatment were higher with the Acri.Tec lenses than with the Restor and especially with the Tecnis model
YAG laser capsulotomy is less necessary with the AMO Tecnics model that maintains the shrarp edge all around the optics. ACRI.TEC lenses are associated with higher rates of capsulotomy.
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