Optical device with desensitized rotational angular alignment for astigmatism correction
AssigneeJohnson & Johnson Vision Care, Inc.
InventorMinghan Chen
Life of this patent
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Abstract
An ophthalmic lens comprises a main body having a toric surface and a spherical surface opposite the toric surface, the main body comprising an eyelid stabilization design structure having a thickness of less than 200 μm, wherein the spherical surface is configured to exhibit a lens spherical power, wherein the toric surface is configured to exhibit a lens cylindrical power that does not fully correct ocular cylindrical power due to astigmatism; and wherein the lens spherical power is configured such that the minimum circle of the ophthalmic lens is on or adjacent the retina of the eye of the wearer at a target angle of alignment.
Claims22
An ophthalmic lens to be worn on an eye of a patient, comprising:
- a main body having a toric surface and a spherical surface opposite the toric surface, the main body comprising an eyelid stabilization design structure having a thickness of less than 200 μm, wherein the spherical surface is configured to exhibit a lens spherical power, wherein the toric surface is configured to exhibit a lens cylindrical power that is less than a target cylinder power that would result in substantially full cylinder correction for said patient;
- and wherein the lens spherical power is configured such that a minimum circle of the ophthalmic lens is on or adjacent the retina of the eye of the patient at a target angle of alignment.
An ophthalmic lens to be worn on an eye of a patient, comprising:
- a main body having a toric surface and a spherical surface opposite the toric surface, wherein the spherical surface is configured to exhibit a lens spherical power, wherein the toric surface is configured to exhibit a lens cylindrical power based on at least a direction of astigmatism of the eye of the patient and that is less than a target cylindrical power that would result in substantially full cylindrical correction for said patient, and wherein the lens spherical power is configured such that a minimum circle of the ophthalmic lens is on or adjacent the retina of the eye of the patient at a target angle of alignment.
An ophthalmic lens to be worn on an eye of a patient, comprising:
- a main body having a toric surface and a spherical surface opposite the toric surface, wherein the spherical surface is configured to exhibit a lens spherical power that is different from a target cylinder power that would result in substantially full cylinder correction for said patient, wherein the toric surface is configured to exhibit a lens cylindrical power that;
- and wherein the lens spherical power is configured such that a minimum circle of the ophthalmic lens is on or adjacent the retina of the eye of the patient at a target angle of alignment.
Dependencies are inferred from the claim text.