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US 2019/0194418 A1Published application
Hydrogel composition, contact lens, and method for manufacturing the same
AssigneeHon Hai Precision Industry Co., Ltd.
InventorsHSIU-WEN CHIEN, WEN-KAI LI
Life of this patent
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Abstract
A contact lens is disclosed. The contact lens includes a gel substrate. The gel substrate includes astaxanthin having a mass percentage of 0.004% to 5%. The hydrogel composition and a method for manufacturing the contact lens are also disclosed.
Claims14
A hydrogel composition comprising astaxanthin, wherein the astaxanthin has a mass percentage of 0.004% to 5%.
A method for manufacturing a contact lens, comprising:
- preparing a hydrogel composition comprising astaxanthin, wherein the astaxanthin has a mass percentage of 0.004% to 5%;
- putting the hydrogel composition into a mold;
- and
- heating the hydrogel composition or irradiating the hydrogel composition under ultraviolet light to form the contact lens.
1 more element
A contact lens, comprising a gel substrate having astaxanthin, wherein the astaxanthin has a mass percentage of 0.004% to 5%.
Dependencies are inferred from the claim text.