When you are assembling your flys for your annual trip up to the river or lake, you tend to need some help in the seeing department. It's nothing to be ashamed of, needing to use a magnifier isn't anything bad or an admittance that age has begun to catch up to you; at least physically. The products you can find here are great in helping you tie those lures you've always wanted to try without costing an arm or a leg or taking up a large amount of space.
The best part about these glasses is that you can take them anywhere and are not bound to a desk to do any tying that may be needed out in the field. They work under any conditions that you may find out there in world, and do not bog you down.