Ophthalmic lens, intraocular lens, and lens material

Patent metadata

Field	Value
Publication number	US-9791721-B2
Application number	US-201514879837-A
Country	US
Kind code	B2
Filing date	Oct 9, 2015
Priority date	Sep 18, 2015
Publication date	Oct 17, 2017
Grant date	Oct 17, 2017

Abstract

An ophthalmic lens includes a matrix and a natural yellow dye dispersed in the matrix. The natural yellow dye includes at least one of lutein and zeaxanthin.

First claim

What is claimed is:

1. An ophthalmic lens comprising:
a matrix; and
a natural yellow dye dispersed in the matrix;
wherein the natural yellow dye comprises both lutein and zeaxanthin each having a mass percentage of about 0.00005% to about 0.25% of a total mass of the ophthalmic lens.

2. The ophthalmic lens of claim 1 , wherein the matrix is hydrogel or silicone hydrogel.

3. An intraocular lens comprising:
a matrix; and
a natural yellow dye dispersed in the matrix;
wherein the natural yellow dye comprises both lutein and zeaxanthin each having a mass percentage of about 0.00005% to about 0.25% of a total mass of the ophthalmic lens.

4. The intraocular lens of claim 3 , wherein the matrix is hydrogel or silicone hydrogel.

Assignees

• Hon Hai Prec Ind Co Ltd

Inventors

• Chien Hsiu-Wen

Classifications

• C08K5/053

  Polyhydroxylic alcohols · CPC title

• A61L27/52

  Hydrogels or hydrocolloids · CPC title

• A61F2/16

  Intraocular lenses · CPC title

• A61L2430/16

  for reconstruction of eye parts, e.g. intraocular lens, cornea · CPC title

• A61L27/44

  having a macromolecular matrix · CPC title