Effects of Light

1,031 views · Published 11 January 2008 · 4:33 · Indexed 19 October 2026

Channel: iHealthTube.com · 2008 · Howto & Style

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Dr. Robert Abel, Jr. on what the different types of light are and how they affect our eyesight. More health videos can be found at http://www.ihealthtube.com

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