I don't wear glasses or contacts, so can't see myself ever buying these. I really like that finger ring controller though, pretty innovative.
Slightly-off topic: Does anyone know what percentage of the population has vision that is impaired to the point where they require aids such as contacts or glasses?
If you haven't read it yet, give 'A Brief History of Time' a read. Even if you're not a big book reader, it's only about 250 pages. Great way to pay respects to this legendary man.
Slightly-off topic: Does anyone know what percentage of the population has vision that is impaired to the point where they require aids such as contacts or glasses?