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US 2014/0336303 A1Published application
Optical Element for Correcting Color Blindness
AssigneeNitto Denko Corporation
InventorsBrett T. Harding, Sheng Li, Amane Mochizuki
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Abstract
Described herein are devices, compositions, and methods for improving color discernment.
Claims20
A device for correcting a vision deficiency related to color discernment comprising an optical element comprising:
- a composition comprising a polymer and a rhodamine or a rhodamine derivative, wherein the polymer comprises polyvinyl alcohol or a derivative thereof comprising C1-6 ester or C1-6 acetal pendant groups;
- wherein the composition is solid.
Dependencies are inferred from the claim text.