Ophthalmic device formed by additive fabrication and method thereof
An ophthalmic device is formed by additive fabrication, the optical device having an optical surface with a surface roughness on the order of less than 10 microns. A method is provided for making an ophthalmic device including an optical surface having a surface roughness of less than 10 microns by depositing on a stage in a first relative position a first lamina of particulates having a size less than 10 microns and in select configurations less than two microns and certain configurations less than one micron, and, synergistically stimulating the first lamina of particulates to form a first solidified layer.
1. An ophthalmic device having an optical surface and a plurality of additive fabrication lamina, wherein one of the plurality of additive fabrication lamina forms at least a portion of the optical surface.
2. The ophthalmic device of claim 1 wherein each of the plurality of additive fabrication lamina is a UV curable material.
3. The ophthalmic device of claim 1 wherein each of the plurality of additive fabrication lamina is an IR curable material.
4. The ophthalmic device of claim 1 further comprising a chemical binder.
5. The ophthalmic device of claim 1 further comprising a removable sacrificial material arranged to support the optical surface.
6. The ophthalmic device of claim 5 wherein the removable sacrificial material is a wax.
7. The ophthalmic device of claim 1 wherein each of the plurality of additive fabrication lamina has a thickness of less than 1 micron.
8. The ophthalmic device of claim 1 wherein the ophthalmic device is a lens.
9. The ophthalmic device of claim 1 wherein the ophthalmic device is a corrective lens.
10. The ophthalmic device of claim 1 wherein the plurality of additive fabrication lamina are printed.
11. A corrective lens consisting of a plurality of printed layers, wherein at least one of the plurality of printed layers forms at least a portion of an optical surface of the corrective lens.
12. An ophthalmic device having an optical surface, the ophthalmic device consisting of a plurality of additive fabrication lamina, wherein one of the plurality of additive fabrication lamina forms at least a portion of the optical surface.