Journal of cataract and refractive surgery · 2015
Posterior capsule opacification and neodymium:YAG laser capsulotomy rates with 2 microincision intraocular lenses: Four-year results.
Сравнительное исследованиеСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Schriefl Sabine M, Menapace Rupert, Stifter Eva, Zaruba Daniela, Leydolt Christina
Аннотация
PURPOSE: To compare the development of posterior capsule opacification (PCO) and neodymium:YAG (Nd:YAG) capsulotomy rates between 2 microincision intraocular lenses (IOLs) 4 years after surgery.
SETTING: Department of Ophthalmology, Medical University of Vienna, Vienna, Austria.
DESIGN: Prospective randomized clinical trial.
METHODS: Patients randomly received a Y-60H 3-piece hydrophobic IOL (hydrophobic group) in 1 eye and an MI60 1-piece hydrophilic IOL (hydrophilic group) in the contralateral eye during simultaneous bilateral cataract surgery. Eyes were examined 1 week, 20 months, and 4 years postoperatively. Digital retroilluminated images of each eye were evaluated using Automated Quantification of After-Cataract software. The Nd:YAG laser capsulotomy rate was recorded.
RESULTS: Sixty patients were enrolled. Objective PCO was significantly higher in the hydrophobic group than in the hydrophilic group before capsulotomy 2 years after cataract surgery (mean score 2.1 ± 1.8 (SD) versus 1.2 ± 1.4) (P =.031). At the 4-year follow-up, the hydrophobic group had a statistically significantly higher Nd:YAG rate than the hydrophilic group (77% versus 50%) (P =.012).
CONCLUSION: Comparison of 2 microincision IOLs indicated a statistically significant difference in PCO and Nd:YAG capsulotomy rates, with very high Nd:YAG rates 4 years after surgery.
SETTING: Department of Ophthalmology, Medical University of Vienna, Vienna, Austria.
DESIGN: Prospective randomized clinical trial.
METHODS: Patients randomly received a Y-60H 3-piece hydrophobic IOL (hydrophobic group) in 1 eye and an MI60 1-piece hydrophilic IOL (hydrophilic group) in the contralateral eye during simultaneous bilateral cataract surgery. Eyes were examined 1 week, 20 months, and 4 years postoperatively. Digital retroilluminated images of each eye were evaluated using Automated Quantification of After-Cataract software. The Nd:YAG laser capsulotomy rate was recorded.
RESULTS: Sixty patients were enrolled. Objective PCO was significantly higher in the hydrophobic group than in the hydrophilic group before capsulotomy 2 years after cataract surgery (mean score 2.1 ± 1.8 (SD) versus 1.2 ± 1.4) (P =.031). At the 4-year follow-up, the hydrophobic group had a statistically significantly higher Nd:YAG rate than the hydrophilic group (77% versus 50%) (P =.012).
CONCLUSION: Comparison of 2 microincision IOLs indicated a statistically significant difference in PCO and Nd:YAG capsulotomy rates, with very high Nd:YAG rates 4 years after surgery.