A lot of people have refractive errors. Its estimated that about 40%
of the U.S. population has myopia, or nearsightedness.
About 25% are farsighted. For the last few hundred years
eyeglasses have been the primary means to correct for refractive
errors in the eyes. Today we also have contact lenses or we can do
surgery. Surgery however can sometimes be dangerous and
eyeglasses and contact lenses are kind of annoying because you
have you wear them on your head or stick them in your eye.
Our team has invented a new technology that corrects for refractive
errors in the eye using a display. It basically puts the glasses on the
display rather than on your head.
As our screens become higher and higher resolution its not just
for looking at them in HD. One way we can improve those very
small pixels is to create a 3-D display but what we're doing now is
not just 3-D its about creating displays that correct for the human eye.
We noticed that people most of the time wear glasses to see 2-D
better and not 3-D. We built a low cost prototype that you can clip
on to your existing phone and turn it into a vision-correcting display.
It's basically a special printed transparency. The pattern on the
transparency is an array of pinholes that basically codes the
image that we show on the display for the human observer.
And we use special algorithms to create the images that we show
on the display.
These vision-correcting screens, by the way, are highly personalized.
And that is because the hardware technology is fixed but in software
you can dial in for whatever prescription you man have.
We've successfully demonstrated that we can correct for myopia,
hyperopia, astigmatism and even higher order aura aberrations
that are difficult to be corrected with conventional glasses.
You can imagine this technology to be integrated in your phone,
in your tablet, in your laptop; in your e-reader or even in the car
to see your GPS better and the speedometer.
We hope to also help people in the developing world that don't
necessarily have access to a health infrastructure as we do here.
If you don't have your prescription and you can't correct for refractive
errors, you can see or read properly. This can lead to illiteracy and
in some cases unemployment. By building technology that helps
people see better we hope to make an impact on their lives.