A few weeks ago, I started noticing that my store-bought glass cleaner just wasn’t cutting ... But when I spritzed my ...

One of the easiest ways to clean glasses is to use a lens-cleaning spray. First, use a microfiber cloth to wipe away any dust and debris, then spritz each lens once with the lens spray.

and most have plastic lenses, which scratch more easily than glass. Clearly, you need to protect your investment. But should you clean lenses with tissues or cloth? When they're wet or dry?