Patent ID: 11911261
Assignee: UNIVERSITY OF ROCHESTER
Field: Medical technology (Instruments)
Classification: CPC A  B  G  H | IPC A  G  H

Claim 0:
1. A method for placing myopic defocus on the peripheral retina of an eye to prevent or slowing myopia progression in a patient, comprising:
modifying the refractive index of ocular tissue of an eye of the patient, or of an optical device selected from an intraocular lens, contact lens, or corneal inlay, by irradiating select regions of the ocular tissue or optical device material with a focused, visible or near-IR laser below the optical breakdown threshold of the tissue or optical device material to provide refractive structures that exhibit a change in refractive index, and exhibit little or no scattering loss, and scanning over the select regions with the laser such that ablation or removal of the tissue or optical device material is not observed in the irradiated region, wherein the refractive structures provided form at least one peripheral zone having a different dioptric power around a center zone of the cornea or natural crystalline lens, or optical device, so as to provide a multifocal power profile in the cornea or natural crystalline lens, or optical device.