Um…this post is 4 yrs old. The poster who brought it back to the top was a spammer.
If you go to a book store, you can buy a plastic magnifier that is the same size and thickness as a credit card. You can slip it into your wallet so you will always have it available.
I have been wearing glasses because in the past year I have noticed that my vision has gotten bad. I want to try bifocal contacts and would have made things easier on me. How is it working if so?