# US 12,004,812 B2 · System and method of illumination of structures within an eye > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,812 B2 - Document ID: US12004812B2 - Status: Granted - Kind: B2 - Application number: 17/334,851 - Filed: 2021-05-31 - Published: 2022-03-24 - Granted: 2024-06-11 - Earliest claimed: 2010-10-15 - Assignees: Lensar, Inc. - Applicants: Lensar, Inc. - Inventors: Gary P. Gray; Rudolph W. Frey; Richard Ty Olmstead; Steven E. Bott; James Strobel - Web page: https://patentgrep.com/patent/US12004812B2 ## CPC - A61B 3/14: Arrangements specially adapted for eye photography - A61B 3/0025: {characterised by electronic signal processing, e.g. eye models} - A61B 3/08: for testing binocular or stereoscopic vision, e.g. strabismus - A61B 3/1025: {for confocal scanning} - A61B 3/107: for determining the shape or measuring the curvature of the cornea - A61B 3/1173: {for examining the eye lens} - A61B 2560/0223: of calibration, e.g. protocols for calibrating sensors - A61B 2576/02: specially adapted for a particular organ or body part - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract There is provided a system, apparatus and methods for enhancing the illumination of structures of the eye using predetermined scan patterns of an illuminating light beam. The systems, apparatus and methods further provide for obtaining enhanced single images of multiple structures of the eye. ## Claims ### Claim 1 A system for creating a representation of a structure of an eye, the system comprising: a. a image device comprising an image plane; b. a memory containing data mapping a relationship between a plurality of points in a three dimensional volume of space and the image plane; wherein the three dimensional volume of space is positioned to contain a structure of the eye; c. an illumination source for illuminating the structure of the eye in the three dimensional volume of space; d. a processor; and, e. the image device, the memory and the processor configured to create an enhanced digital single representation of the structure of the eye. ### Claim 2 (depends on 1) The system of claim 1, wherein the relationship is linear. ### Claim 3 (depends on 1) The system of claim 1, wherein the relationship is non-linear. ### Claim 4 (depends on 1) The system of claim 1, wherein the mapping eliminates image distortion; whereby the enhanced digital single representation is a dimensionally accurate. ### Claim 5 (depends on 1, 4) The system of claim 1 or 4, wherein the structure of the eye is a cornea. ### Claim 6 (depends on 1, 4) The system of claim 1 or 4, wherein the structure of the eye is a lens. ### Claim 7 (depends on 1, 4) The system of claim 1 or 4, wherein the illumination source is configured to avoid interference from a pupil of the eye. ### Claim 8 (depends on 1) The system of claim 1, wherein the illumination source is a non-coherent light source. ### Claim 9 (depends on 1) The system of claim 1, wherein the illumination source comprises a diode. ### Claim 10 (depends on 1, 4) The system of claim 1 or 4, wherein the image device and the processor are configured to create an enhanced digital single representation of a plurality of structures of the eye. ### Claim 11 (depends on 10) The systems of claim 10, wherein the structures of the eye comprise two or more of a cornea, a peripheral edge of a cornea, an anterior lens capsule, a posterior lens capsule, and a lens. ### Claim 12 A system for creating a representation of a structure of an eye, the system comprising: a. a calibrated image device, comprising an image plane; b. the calibrated image device configured to create an enhanced digital single representation of a plurality of structures of an eye; c. a memory containing data mapping a relationship between a plurality of points in a three dimensional volume of space and the image plane of the calibrated image device; wherein the three dimensional volume of space is positioned to contain the structures of the eye; d. an illumination source for illuminating the structures of the eye in the three dimensional volume of space to provide raw images of the structures of the eye; e. a processor; and, f. the calibrated image device, the memory and the processor configured to create an enhanced digital single representation of the structures of an eye from the raw images. ### Claim 13 (depends on 12) The system of claim 12, wherein the structures of the eye comprise two or more of a cornea, a peripheral edge of a cornea, an anterior lens capsule, a posterior lens capsule, and a lens. ### Claim 14 (depends on 12) The system of claim 12, wherein the enhanced digital single representation is dimensionally accurate. ### Claim 15 (depends on 12, 13, 14) The system of claim 12, 13 or 14, wherein the system is configured to create the enhanced digital single representation without digital alteration or digital enhancement. ### Claim 16 (depends on 12, 13, 14) The system of claim 12, 13 or 14, wherein the relationship is linear. ### Claim 17 (depends on 12, 13, 14) The system of claim 12, 13 or 14, wherein the relationship is non-linear. ### Claim 18 (depends on 12, 13, 14) The system of claim 12, 13 or 14, wherein the illumination source comprises a diode. ### Claim 19 (depends on 12, 13, 14) The system of claim 12, 13 or 14, wherein the illumination source comprises a non-coherent light source. ### Claim 20 (depends on 12, 13, 14) The systems of claim 12, 13 or 14, wherein the illumination source is configured to avoid inference from the pupil. ### Claim 21 (depends on 1, 4, 12) The system of claim 1, 4, 12, or 13, wherein the image device comprises a digital camera.