Medical Definition of Lighthouse lens

1. A lens built up, progressively, in zones or steps, each zone with its own individual radius. Considerable spherical correction is attained, and the weight of the lens is greatly reduced. Fresnel lenses were originally designed for lighthouses but they are now attainable for small spotlights, automobile headlights, and similar uses. (05 Aug 1998)



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Lexicographical Neighbors of Lighthouse Lens

lightfoot
lightfront
lightfronts
lightful
lightgun
lightguns
lightheaded
lightheadedly
lightheadedness
lighthearted
lightheartedly
lightheartedness
lighthouse
lighthouse keeper
lighthouse keepers
lighthouse lens (current term)
lighthouselike
lighthouses
lighting
lighting-up(a)
lighting circuit
lighting fixture
lighting industry
lighting out
lighting up
lightings
lightish
lightless
lightlessly
lightlessness

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