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Cast-moldable, high refractive index, rigid, gas permeable polymer formulations for an accommodating contact lens
Cast-moldable, high refractive index, rigid, gas permeable polymer formulations for an accommodating contact lens
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机译:铸造可模塑,高折射率,刚性,气体可渗透的聚合物配方,适用于容纳隐形眼镜
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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.
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