This video examines the various uses of light and the role of different types of lenses in light refraction. The way in which eyeglasses, contact lenses, and binoculars manipulate light to allow us to see better is illustrated. Other terminology includes: regular and diffuse reflection, plane, concave and convex mirrors, opaque, refraction, angle of refraction, and concave and convex lenses.

Originally released by Visual Learning, 2001. Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015.

Light in Action (3:13); --Color (1:48); -- Polarized Light (1:07); -- Light Interactions (1:42); -- Reflection and Mirrors (2:17); -- Mirrors and Light (1:23); -- Concave Mirrors (1:11); -- Convex Mirrors (0:44); -- Concave and Convex Lenses (1:02); -- Summing Up (0:51); -- Video Quiz (3:03); -- Credits: Using Light (0:55);.