OPHTHALMIC LENS
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United States of America Patent
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app pub date -
Apr 17, 2015
filing date -
May 16, 2012
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Abstract
An ophthalmic lens having a main front face and a main rear face includes: an element for cutting off ultraviolet (UV) light incident on the main front face of the ophthalmic lens; an anti-reflection coating on the main rear face of the ophthalmic lens, having a weighted average reflection factor in the UV region of less than or equal to 7%; and at least one element for at least partially blocking the blue light in the wavelength region from 400 to 460 nanometers, preferably from 420 to 450 nanometers.
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