- 专利标题: Cast-moldable, high refractive index, rigid, gas permeable polymer formulations for an accommodating contact lens
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申请号: US15714964申请日: 2017-09-25
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公开(公告)号: US11035983B2公开(公告)日: 2021-06-15
- 发明人: Scott Kennedy , Jeffrey George Linhardt , Angela DiCiccio
- 申请人: Verily Life Sciences LLC
- 申请人地址: US CA Mountain View
- 专利权人: Verily Life Sciences LLC
- 当前专利权人: Verily Life Sciences LLC
- 当前专利权人地址: US CA Mountain View
- 代理机构: Christensen O'Connor Johnson Kindness PLLC
- 主分类号: G02B1/04
- IPC分类号: G02B1/04 ; G02C7/04 ; G02C7/08 ; B29D11/00 ; B32B7/023 ; B29K105/00
摘要:
An eye-mountable device is provided that includes a plurality of rigid polymer layers separated by liquid crystal layers. Certain eye-mountable devices includes a first rigid polymer layer, a second rigid polymer layer, and a liquid crystal layer between the first and second rigid polymer layers. The liquid crystal layer has a refractive index that is electrically controllable between an ordinary refractive index and an extraordinary refractive index, and the first rigid polymer layer and second rigid polymer layer include materials having a refractive index similar to the ordinary refractive index of the liquid crystal layer. The first rigid polymer layer and second rigid polymer layer may also include a combination of monomer-derived units that provide cast-moldable materials with high oxygen permeability. Methods for fabricating the eye-mountable device and for changing the focal length of the eye-mountable device are also provided.