eyesight

Spiral scratches on contact lenses can turn them into multifocals

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The new design could be used on contact lenses

A contact lens inscribed with the spiral design Laurent Galinier Lenses featuring a trippy, spiral design could offer an alternative to traditional multifocal lenses. They seem to produce clearer images than standard multifocals, even in dim light. The lenses were created by inventor Laurent Galinier. When Bertrand Simon at the Institut d’Optique Graduate School in … Read more

Smart glasses dim bright objects but don’t affect other things in view

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Glasses that dim bright objects by restricting light in selective parts of the field of view Xiaodan Hu/Nara Institute of Science and Technology Smart glasses fitted with a camera and LCD screens can “balance” a scene by dimming the brightest objects and leaving dim ones unchanged. The device could help people affected by photophobia, who … Read more