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US 2019/0314547 A1Published application
Materials for Preparing Intraocular Lens
AssigneeEyebright Medical Technology (Beijing) Co., Ltd.
InventorsXince Sui, Yongil Wei, Jiangbing Xie
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Abstract
The present invention relates to a material for preparing an intraocular lens. In particular, it relates to an ophthalmic medical material suitable for manufacture of micro-incision intraocular lens, having suitable water content and a suitable refractive index.
Claims20
A material comprising a copolymer comprising hydrophilic acrylates monomers and hydrophobic acrylates monomers, wherein the molar ratio of the hydrophilic acrylates monomers to the hydrophobic acrylates monomers is from 20:80 to 80:20, and wherein the material has the following properties:
- a. a water content at 35° C. that is 5 to 15 wt %;
- and/or
- b. a refractive index when the material is hydrated at 35° C. that is 1.49 to 1.54.
Dependencies are inferred from the claim text.