Inventions Helping Blind People

Bionic Contact Lens

The Bionic Lens can imbricate computer image onto person’s vision. The new contact lens has a virtual display with an imprinted electronic circuit and lights using microfabrication and self-assembly methods that are usually used to produce semiconductor chips.
Scientists manged to introduce the tiny layers of metal in a circuit pattern, being only few nanometers thick on PET (polyethylene terephthalate) material. In order to incorporate LEDs (light-emitting diodes) they made small openings on the surface of the lens to create an image on the back of the retina, thus making the wearer to see the world differently. The lens

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