Variable optic ophthalmic device including liquid crystal elements
This invention discloses methods and apparatus for providing a Variable Optic Insert into an Ophthalmic Lens. An energy source is capable of powering the Variable Optic Insert included within the Ophthalmic Lens. In some embodiments, an Ophthalmic Lens is cast-molded from a silicone hydrogel. The various Ophthalmic Lens entities may include electroactive Liquid Crystal layers to electrically control refractive characteristics. The Ophthalmic device may include a wear-controlled adjustment device.
1. An energized ophthalmic lens device with a variable optic insert comprising:
an ophthalmic lens comprising an optical zone and a non-optical zone;
an energy source;
the variable optic insert comprising at least a portion within the optical zone, the variable optic insert comprising a first and second electrode, wherein the first and second electrodes are transparent, and wherein between the first and second electrodes no other electrodes reside;
the variable optic insert comprising a layer of liquid crystal material, wherein the layer of liquid crystal material is located between the first and second electrode;
at least a first layer of dielectric material between the layer of liquid crystal material and the first electrode, wherein the first layer of dielectric material varies in thickness across a region within the optical zone; and
a wearer-controlled adjustment device.
2. The energized ophthalmic lens device of claim 1 wherein the wearer-controlled adjustment device controls a focus.
3. The energized ophthalmic lens device of claim 2 wherein the adjustment device is automated according to a measured parameter.
4. The energized ophthalmic lens device of claim 2 wherein the adjustment device is automated according to a wearer input.
5. The energized ophthalmic device of claim 2 wherein the wearer-controlled adjustment device comprises a switch controlled by wireless apparatus.
6. The energized ophthalmic device of claim 5 wherein a wireless function may include radio frequency transmission.
7. The energized ophthalmic device of claim 5 wherein a wireless function may include magnetic switching.
8. An energized ophthalmic lens device with a variable optic insert comprising:
an ophthalmic lens insert-encapsulating layer comprising an optical zone and a non-optical zone;
an energy source;
the variable optic insert comprising at least a portion within the optical zone, the variable optic insert comprising a first and second electrode, wherein the first and second electrodes are transparent, and wherein between the first and second electrodes no other electrodes reside;
the variable optic insert comprising a layer of liquid crystal material, wherein the layer of liquid crystal material is located between the first and second electrode;
at least a first layer of dielectric material between the layer of liquid crystal material and the first electrode, wherein the first layer of dielectric material varies in thickness across a region within the optical zone; and
a wearer-controlled adjustment device.
9. The energized ophthalmic lens device of claim 8 wherein the wearer-controlled adjustment device controls a focus.
10. The energized ophthalmic lens device of claim 9 wherein the adjustment device is automated according to a measured parameter.
11. The energized ophthalmic lens device of claim 9 wherein the adjustment device is automated according to a wearer input.
12. The energized ophthalmic device of claim 9 wherein the wearer-controlled adjustment device comprises a switch controlled by wireless apparatus.
13. The energized ophthalmic device of claim 12 wherein a wireless function may include radio frequency transmission.
14. An-energized ophthalmic lens device with a variable optic insert comprising:
an ophthalmic lens insert-encapsulating layer comprising an optical zone and a non-optical zone;
the variable optic insert comprising at least a portion within the optical zone;
an energy source embedded in the ophthalmic lens insert-encapsulating layer in at least a region comprising the non-optical zone;
a wearer-controlled adjustment device;
the variable optic insert comprising a first and second electrode, wherein the first and second electrodes are transparent, and wherein between the first and second electrodes no other electrodes reside;
the variable optic insert comprising a layer of liquid crystal material, wherein the layer of liquid crystal material is located between the first and second electrodes;
at least a first layer of dielectric material between the layer of liquid crystal material and the first electrode and
wherein the ophthalmic lens insert-encapsulating layer comprises a silicone hydrogel.
15. The energized ophthalmic lens device of claim 14 wherein the wearer-controlled adjustment device controls a focus.
16. The energized ophthalmic lens device of claim 15 wherein the adjustment device is automated according to a measured parameter.
17. The energized ophthalmic lens device of claim 15 wherein the adjustment device is automated according to a wearer input.
18. The energized ophthalmic device of claim 15 wherein the wearer-controlled adjustment device comprises a switch controlled by wireless apparatus.
19. The energized ophthalmic device of claim 18 wherein a wireless function may include radio frequency transmission.
20. The energized ophthalmic device of claim 14 wherein the silicone hydrogel comprises at least one of Narafilcon A, Narafilcon B or Etafilcon A.