There's a particular kind of glasses you don't really think about until you stop and notice how much they do for you. They live on the nightstand, or in the side pocket of a bag, or perched on top of the mail pile on the kitchen counter. You put them on, you read, you take them off. No drama. But like most things we rely on every day, reading glasses are worth a second look every so often, just to make sure they're still keeping up with you as well as they can. If you wear re