NC Now Tuesday, Mar. 22, 201122:24 Aired: 03/22/11 Rating: NR Jeff Smith introduces us to a new type of lens that may help people who spend large amounts of time looking at various types of monitors reduce eye fatigue. Add to WatchlistShare:FacebookTwitterEmailGoogle PlusEmbed CodeEmbed Code×CloseNC NowTuesday, Mar. 22, 2011Premiere Date: March 22, 2011, 4:01 a.m. Width px Height px Please copy this text to your clipboardProblems Playing Video ?Report a problemClosed CaptioningReport a Problem×CloseBefore you submit an error, please consult our Troubleshooting Guide.Type of ErrorVideo doesn't loadVideo loads, but doesn't playVideo jumps back/forwardOnly audio is streamingSponsorship playback errorOtherPlease add more detailsCancelSubmit ReportYour report has been successfully submitted. Thank you for helping us improve PBS Video.Close You are truly the public in public television and we need your support now more than ever.