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'Tunable' Eye Glasses To Be Distributed In India Soon
Prof Joshua Silver is hopeful that his self-adjusting glasses could enable a billion people in the developing world to receive spectacles for the first time within just over a decade.
Silver, a retired Oxford University physics professor, is even preparing to launch an ambitious scheme in India to distribute one million pairs in a year.
He revealed that he came up with the idea in what he describes as a "glimpse of the obvious", reports the Telegraph.
The adaptive glasses are designed in such a way that they can be "tuned" by the wearer to suit their eyes, and that too without the need for a prescription.
In fact, the spectacles can help both short-sighted and long-sighted people.
He started working on the idea of developing an adjustable spectacle after a chance conversation in 1985, when he and a colleague were discussing optical lenses.
And after more than 20 years, he has finally come up with a design, which can be made cheaply on a large scale.
He focussed on the principle that thicker lenses are more powerful than thin ones.
Using the principle he designed spectacles that can be adjusted by injecting tiny quantities of fluid.
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