Are blue light blocking eyeglasses worth the hype?
Buy any pair of eyeglasses these days, and the optician will ask if you want a blue-light film to block out certain wavelengths of light. But is that enough? And what about versions that go further, with yellow, red or amber lenses? The American bio-hacker, Dave Asprey, is rarely seen without his orange-lensed TruDarks, which the company he owns promises are like noise-cancelling headphones for your eyes. But are these glasses, which enthusiastic reviewers on