Intraocular lenses (IOL) that filter some blue light were introduced in the 1990s
and were suggested to reduce the risk of Age related macular degeneration and uveal
melanoma. The potential benefits and harm from blocking blue light has been debated. In this
chapter we will discuss the evidence for the protective effects and the negatives of these IOLs.
Keywords: Intraocular lens, blue light, macular degeneration, color vision,
lipofuscin, melanoma, insomnia, melatonin, melanopsin, retinal damage,
phototoxicity, compliment system, antioxidants, cataract, oncogenesis, scotopic
vision, mesopic vision, circadian rhythm, suprachiasmatic nuclei, depression.