| refraction |
Test to determine an eye's refractive error and the best corrective lenses to be prescribed. Series of lenses in graded powers are presented to determine which provide sharpest, clearest vision.
Ãâó: www.eyeglossary.net/
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| refraction |
Refraction is a change of direction of a ray of light. Light that is traveling in a straight line alters course - bends - when it strikes light-transmitting substances at any angle other than perpendicular.
Ãâó: photographytips.com/page.cfm/2080
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| refraction |
The change in direction of a wave as it crosses the boundary between two media in which the wave travels at different speeds.
Ãâó: www.nksd.net/schools/nkhs/staff/john_daneau/cp_glo...
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| refraction |
the bending of light as it changes speed when it passes from one material to another
Ãâó: whyfiles.larc.nasa.gov/text/kids/Problem_Board/pro...
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| refraction |
A test to determine the best eyeglasses or contact lenses to correct a refractive error.
Ãâó: www.drburr.homestead.com/files/glossaryofeyeterms2...
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