Prosthetic micro-thin lens for eye cataracts

Prosthetic micro-thin lens for eye cataracts

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This image is part of the feature The Microthin Lens

Credit: LAWRENCE LIVERMORE NATIONAL LABORATORY/ SCIENCE PHOTO LIBRARY

Caption: Prosthetic eye lens. Dwarfed by an American dime coin, this micro-thin lens (at centre, blue) is the first diffractive eye lens to be designed that corrects for colour distortion. It is 5-10 microns thick, 4 millimetres in diameter, consisting of a lightweight plastic polyimide. Conventional lens implants rely on thickness for their power, and have a tendency to split colour. The micro-thin lens solves these drawbacks. Grooves etched on its surface focus colours on the same spot within the eye; while its size and flexibility would make it simpler to implant. This ongoing research may have widespread application in cataract surgery.

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Keywords: artificial, artificial implant, artificial lens, cataract, eye, eye lens, false, healthcare, lens, medical, medicine, prosthesis, prosthetic device, prosthetic lens

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