Many of us rely on them, but when did we first get them? What did we do before glasses?

Dr. Ivan Schwab, Emeritus Professor of Ophthalmology at UC Davis, and
Dr Neil Handley, Museum Curator at the College of Optometrists in London, give Mike some clarity. 

We also take a little detour. Your nose is in front of your face. Why can't you see it?

Philip Kellman, Professor of Psychology at UCLA, knows the answer.

Got questions? Email Mike at [email protected]