Ditch the bifocals – ‘scratched glasses’ give you perfect vision without the hassle.
Scratching your glasses usually means you’ve just ruined them, but an Israeli researcher has figured out a way to etch a lens so that it acts as a bifocal — letting the wearer see things both near and far — but without the hassle.
Continue reading… “‘Scratched Glasses’ Give Perfect Vision and Eliminate the Need for Bifocals”