What Are Intraocular Lenses? and How Can They Restore Sight for Patients with Cataracts?

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New technology is quickly improving the world’s most common form of eye surgery.

New technology is quickly improving the world’s most common form of eye surgery.

Each year, more than 30 million people globally receive surgery to correct cataracts. As many people age, the crystalline lenses in their eyes become cloudy and obstruct their vision, but a simple and safe form of surgery where the crystalline lens is replaced with an artificial lens—known as an intraocular lens—can restore clarity and lead to a vast improvement in quality of life.

Recent advancements in optics, ophthalmology, artificial intelligence, and biomedical engineering have led to rapid improvements in the types of intraocular lenses available and the methods patients and their doctors use to select the right fit. Susana Marcos, the David R. Williams Director of the Center for Visual Science, the Nicholas George Professor in Optics, and a professor of ophthalmology at the University of Rochester, served as the lead guest editor of a special issue of the journals of Biomedical Optics Express and Optics Express (published by Optica Publishing Group) that explores the state of the technology.

Read more at University of Rochester

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