These cleaning wipes are better than a dirty rag

I'm often asked whether I use clean or unclean rags when I wipe my eyeglasses. The answer is, of course, that it depends on which rag I can lay my hands on at the moment. The dirty one is the softest and least likely to scratch; but it smears the lenses with grime; whereas if I use the clean cloth, it leaves deep gouges in the lenses. — Read the rest