Specs of hope: Water-based eyeglasses with no optician required


The world’s changing around us and the developing world needs help to grow. Josh Silver’s a British inventor and a former professor of physics at Oxford University. He’s designed a pair of water-lensed glasses, a one-size-fits-all design that has one extremely important benefit above all: no optician required.

Silver has devised a pair of glasses which rely on the principle that the fatter a lens the more powerful it becomes. Inside the device’s tough plastic lenses are two clear circular sacs filled with fluid, each of which is connected to a small syringe attached to either arm of the spectacles.

The wearer adjusts a dial on the syringe to add or reduce amount of fluid in the membrane, thus changing the power of the lens. When the wearer is happy with the strength of each lens the membrane is sealed by twisting a small screw, and the syringes removed. The principle is so simple, the team has discovered, that with very little guidance people are perfectly capable of creating glasses to their own prescription.

The concept glasses are already being distributed, as 30,000 pairs have already been made. Silver’s eventual goal is 100 million pairs. To read more about Josh Silver’s specs of hope, head over to Core77.


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