New vision correcting displays are now being developed which may help users to deal with visual impairment and see text and images without wearing contact lenses or eyeglasses.
The UC Berkeley computer and vision scientists are developing computer algorithms to create the technology that could potentially help hundreds of millions of people who currently need corrective lenses to use their smartphones, tablets and computers.
AdvertisementBrian Barsky, UC Berkeley professor of computer science, said that people with higher order aberrations often had irregularities in the shape of the cornea, and this irregular shape made it very difficult to have a contact lens that would fit, which could in some cases be a barrier to holding certain jobs because many workers need to look at a screen as part of their work.
As per Barsky, their technique distorts the image in such a way that, when the intended user looks at the screen, the image appears sharp to that particular viewer, but if someone else were to look at the image, it would look bad.
Lead author Fu-Chung Huang said that the significance of this project was that, instead of relying on optics to correct one's vision, they use computation, which is a very different class of correction, and it is non-intrusive.
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