Originally Posted by
zacster
Actually, you don't. That's what peripheral vision is, the ability to detect what's around you WITHOUT a device.
Oh my...so you can see in the back of your head with your peripheral vision? Congrats on that!
btw, mirrors are in car for visual efficiency, not because of blind spots. And head checks are necessary because of blind spots, not a problem with a head mounted mirror, there are no blind spots.
Mirrors are used in the same way for ALL vehicles that share the road. Those that know how to use them are not a burden on traffic while those that don't often are.