If your glasses look scratched, cloudy, or worn out, don’t rush to replace them; there are proven ways to make them feel brand new again. Many eyeglass wearers assume that once their lenses develop ...

Lifehacker Labs is a chance for us to show you how we've used tips and tricks from Lifehacker, revisited old ones, and even improved upon them in the process. This week we're back with four more ways ...