The Influence of Blue-Filtering Intraocular Lenses Implant on Exudative Age-Related Macular Degeneration: A Case-Control Study.

Clinical Ophthalmology
Thierry HamelPatrick J Rochette

Abstract

To determine whether the use of a blue light-filtering intraocular lens (IOL) prevents the onset of wet age-related macular degeneration (AMD). More precisely, we examined the proportion of blue light-filtering IOL in a wet AMD patients' sample and compared it with a general North American pseudophakic population sample. Retrospective case-control study. Case patients were diagnosed and treated for wet AMD and had prior IOL implantation at least 3 years before the diagnosis of wet AMD. Control patients were randomly selected among patients who had cataract surgery at our institution. They were exempt of AMD and paired for the year of surgery, sex and age at cataract surgery. A total of 196 patients were included in each study group. Among patients with wet AMD, 62.8% had a blue light-filtering IOL compared with 63.3% among control patients (p = 0.92). Mean time between implantation and injection of anti-VEGF in AMD patients was 6.62 years (95% confidence interval (CI): 6.04-7.19) in non-blue light-filtering IOL group and 5.76 years (95% CI: 5.41-6.11) in blue light-filtering IOL group (p = 0.0120). No correlations could be established between the presence of a blue light filter in the IOL and the occurrence of wet AMD. AMD pati...Continue Reading

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