Google reveals smart contact lens prototype designed to aid diabetics - Telegraph.co.uk

The embedded electronics in the lens do not obscure vision because they lay outside the pupil and iris.

It took years of soldering hair-thin wires to miniaturise electronics, essentially building tiny chips from scratch, to make what Google said is the smallest wireless glucose sensor ever made.

The contact lenses were developed during the past 18 months in the Google X lab that also came up with a driverless car, Google Glass and Project Loon, a network of large balloons designed to beam the Internet to unwired places.

But research on the contact lenses began several years earlier at the University of Washington, where scientists worked under National Science Foundation funding.

Until Thursday, when Google shared the project, their work had been kept under wraps.

"We're still really early on. We're confident about how the technology is going so far. But there's a huge amount of work left to do," Mr Otis said.

Google is now looking for partners with experience bringing similar products to market.

Google officials declined to say how many people worked on the project, or how much the firm has invested in it.

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