Spiral scratches on contact lenses can turn them into multifocals

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 France met Galinier through a scientific collaboration, he immediately wanted to test the lenses in the lab. How this moment for AI will change society forever (and how it won't) The lens is round like a conventional contact lens but it has a neatly coiled spiral created with a lathe on its surface.