Patent ID: 11971615
Assignee: ACUCELA INC.
Field: Optics (Instruments)
Classification: CPC G  B | IPC G

Claim 0:
1. An apparatus to treat refractive error of an eye, the apparatus comprising:
a lens comprising an optical zone; and
a switchable zone extending at least partially around the optical zone, wherein the switchable zone comprises an electroactive material switchable between a first configuration to substantially scatter or defocus light and a second configuration to substantially transparently transmit light through the switchable zone, wherein the switchable zone comprises an electroactive component, the electroactive component comprising:
an adhesive layer configured to adhere to the lens;
a scratch resistant layer; and
a switchable layer between the adhesive layer and the scratch resistant layer, the switchable layer comprising a liquid crystal material and one or more of particles, an optical surface profile or an electrode profile.