ZenniOptical.com
This company has totally made purchasing eye glasses easy. No more waiting in line in the local stores or optical stores. You can go here and pick out whatever glasses you want and just order them. The internet is becoming more user friendly for those of us that don’t want the hassle.
They have so many choices of frames and all you need to do to go to your eye doctor and get your prescription and enter it in and there you go. The delivery time is actually faster then waiting your local store to get them in.
If you wear bifocals, they have them too. A good variety is here online and all you have to do is go to the website and check them out. They sell children’s, UV protection. half rims and more. Their prices are very affordable for those that really can’t go out and purchase glasses that are expensive. 
Great Discovery: www.ZenniOptical.com