Intraocular lens with a proofed surface
Methods and apparatus for an intraocular lens with a proofed surface are disclosed. The proofed surface functions as a barrier to fluid diffusion inside the material and within vacuoles. By preventing the interstitial filling of fluid, the formation of spots inside the polymer matrix is inhibited or reduced. The proofed surface of the intraocular lenses is a highly stable re-assembled surface without any coating or grafting.
1. An intraocular lens, comprising:
a lens having a proofed surface which omits a coating or grafting,
wherein the proofed surface is formed via selective self-reassembly when exposed to an oxidative mechanism such that bulk properties and a water content of the lens remains unchanged,
wherein a transparency and homogeneity of the lens is improved relative to a lens having an un-proofed surface, and
wherein reflective spot formation within the lens is also reduced or inhibited relative to the lens having an un-proofed surface.
2. The intraocular lens of claim 1 wherein a chain segment motion at a fluidlpolymer interface is reduced.
3. The intraocular lens of the claim 1 wherein a porosity at a fluid/polymer interface is reduced relative to a porosity of the lens having the un-proofed surface and wherein a gradient of porosity exists from surface to bulk of the lens having the proofed surface.
4. The intraocular lens of the claim 1 wherein a density of linkages of one or more molecular chains at a superficial stratus of a surface of the lens is increased.
5. The intraocular lens of the claim 1 wherein the lens comprises hydrophobic and hydrophilic copolymers.
6. The intraocular lens of the claim 1 wherein the lens comprises a monofocal optic.
7. The intraocular lens of the claim 1 wherein the lens comprises a multifocal optic.
8. The intraocular lens of the claim 1 wherein the lens comprises a toric optic.
9. The intraocular lens of the claim 1 wherein the lens comprises a multifocal and toric optic.
10. The intraocular lens of claim 1 wherein the lens is preloaded in a deployment instrument.