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 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?

Cleaning expert Ann Russell has shared her top tip on how to prevent both glasses and mirrors from fogging up by using ...