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Old Sep 10th 2016, 04:04 AM   #1
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what is a toric surface and what is a toric lens

please explain in laymans language
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Old Sep 10th 2016, 05:14 AM   #2
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A "torus" is a "doughnut" shape. A "torics surface" is the surface of such a doughnut and a "toric lens" is a lens with a depression (though not necessarily a hole) in the center.
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