According to recent reports by Essilor and the World Health Organization (WHO), uncorrected blurry vision affects 2.7 billion people globally, resulting in $270 billion in lost productivity annually…

Watch experts remark on what is at stake at the G-20 London summit and outline possible policy options for member countries.

DOYLE MCMANUS:  (In progress) -- this evening, but my sole function is to get a good conversation going.Before we get started, please remember to turn off your cell phone, your BlackBerry, anything …

MERIT JANOW: I think we're ready to begin. My name is Merit Janow, and it's my pleasure to preside at this morning's discussion. A few administrative matters: Please turn off your cell phones and B…

Jacob J. Lew discusses global economic management and the G20.