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Background

An intraocular lens (IOL) is a synthetic lens that is surgically implanted within the eye following removal of the crystalline lens, during cataract surgery. While all modern IOLs attenuate the transmission of ultra‐violet (UV) light, some IOLs, called blue‐blocking or blue‐light filtering IOLs, also reduce short‐wavelength visible light transmission. The rationale for blue‐light filtering IOLs derives primarily from cell culture and animal studies, which suggest that short‐wavelength visible light can induce retinal photoxicity. Blue‐light filtering IOLs have been suggested to impart retinal protection and potentially prevent the development and progression of age‐related macular degeneration (AMD). We sought to investigate the evidence relating to these suggested benefits of blue‐light filtering IOLs, and to consider any potential adverse effects.

Objectives

To assess the effects of blue‐light filtering IOLs compared with …