Eye covering and refractive correction methods for lasik and other applications
First Claim
1. A method of treating an eye of a patient following refractive surgery, the eye comprising a cornea having an anterior surface, an ablated stroma, and a flap having an anterior surface, the flap surrounded by epithelium and a sclera, the ablated stroma providing the anterior surface of the flap a post-ablation profile when the flap is disposed on the ablated stroma, the method comprising:
- providing a covering comprising;
an inner portion characterized by an inner rigidity and a thickness, and comprising an upper surface and a lower surface; and
an outer portion characterized by an outer rigidity, and comprising an upper surface, a lower surface, and a peripheral portion;
wherein the inner rigidity is from 1.2E-6 Pa-m3 to 3.1E-3 Pa-m3 and the outer rigidity is from 5.4E-9 Pa-m3 to 1.5E-4 Pa-m3;
applying the covering to an eye of a patient following the refractive surgery by;
centering the covering on the cornea; and
applying a pressure against the covering to flex the covering against the cornea, wherein,the covering being applied to the eye, the inner portion of the covering conforms to the optical region of cornea and to the anterior surface of the flap; and
at least a portion of the outer portion of the covering physically contacts the epithelium.
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Accused Products
Abstract
A method for providing faster visual and functional recovery of patients following refractive surgery such as laser assisted in situ keratomileusis (LASIK) is disclosed. The method comprises providing a covering to the eye of a patient comprising an inner portion having an inner rigidity and at least one inner radius of curvature; and an outer portion having an outer rigidity and at least one outer radius of curvature; wherein the inner rigidity is greater than the outer rigidity.
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Citations
23 Claims
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1. A method of treating an eye of a patient following refractive surgery, the eye comprising a cornea having an anterior surface, an ablated stroma, and a flap having an anterior surface, the flap surrounded by epithelium and a sclera, the ablated stroma providing the anterior surface of the flap a post-ablation profile when the flap is disposed on the ablated stroma, the method comprising:
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providing a covering comprising; an inner portion characterized by an inner rigidity and a thickness, and comprising an upper surface and a lower surface; and an outer portion characterized by an outer rigidity, and comprising an upper surface, a lower surface, and a peripheral portion; wherein the inner rigidity is from 1.2E-6 Pa-m3 to 3.1E-3 Pa-m3 and the outer rigidity is from 5.4E-9 Pa-m3 to 1.5E-4 Pa-m3; applying the covering to an eye of a patient following the refractive surgery by; centering the covering on the cornea; and applying a pressure against the covering to flex the covering against the cornea, wherein, the covering being applied to the eye, the inner portion of the covering conforms to the optical region of cornea and to the anterior surface of the flap; and at least a portion of the outer portion of the covering physically contacts the epithelium. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of treating an eye of a patient following refractive surgery, the eye comprising a cornea having an anterior surface, an ablated stroma, and a flap having an anterior surface, the flap surrounded by epithelium and a sclera, the ablated stroma providing the anterior surface of the flap a post-ablation profile when the flap is disposed on the ablated stroma, the method comprising:
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providing a covering comprising; an inner portion characterized by an inner rigidity and a thickness, and comprising an upper surface and a lower surface, wherein the thickness is from 100 μ
m to 150 μ
m and the inner rigidity is from 1.2E-6 Pa-m3 to 3.1E-3 Pa-m3; andan outer portion characterized by an outer rigidity, and comprising an upper surface, a lower surface, and a peripheral portion; wherein the inner rigidity is greater than the outer rigidity; applying the covering to an eye of a patient following the refractive surgery by; centering the covering on the cornea; and applying a pressure against the covering to flex the covering against the cornea, wherein, the covering being applied to the eye, the inner portion of the covering conforms to the optical region of cornea and to the anterior surface of the flap; and at least a portion of the outer portion of the covering physically contacts the epithelium.
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23. A method of treating an eye of a patient following refractive surgery, the eye comprising a cornea having an anterior surface, an ablated stroma, and a flap having an anterior surface, the flap surrounded by epithelium and a sclera, the ablated stroma providing the anterior surface of the flap a post-ablation profile when the flap is disposed on the ablated stroma, the method comprising:
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providing a covering comprising; an inner portion comprising a first lower surface characterized by at least one inner radius of curvature and a material characterized by an inner modulus, wherein the at least one inner radius of curvature comprises a radius of curvature less than a radius of curvature of the post-ablation profile of the anterior surface of the cornea, wherein the inner portion is characterized by a substantially uniform thickness from 100 μ
m to 550 μ
m and the inner portion is characterized by a rigidity from 1.2E-6 Pa-m3 to 3.1E-3 Pa-m3; andan outer portion characterized by a second lower surface characterized by at least one outer radius of curvature; and applying the covering to an eye of a patient following the refractive surgery by; centering the covering on the cornea; and applying a pressure against the covering to flex the covering against the cornea, wherein, the covering being applied to the eye, the inner portion of the covering conforms to the optical region of cornea and to the anterior surface of the flap; and at least a portion of the outer portion of the covering physically contacts the epithelium.
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Specification