Construction of an individual eye model using a plenoptic camera
AssigneeRicoh Company, Ltd.
InventorsLiang Gao, Ivana Tosic
Life of this patent
Estimating the term…
Abstract
A single imaging platform for making in vivo measurements of an individual's eye, where the measurements are sufficient to construct an optical model of the individual's eye. The platform includes a plenoptic opthalmic camera and an illumination module. In one configuration, the plenoptic opthalmic camera captures a plenoptic image of a corneal anterior surface of the individual's eye. In another configuration, the plenoptic opthalmic camera operates as a wavefront sensor to measure a wavefront produced by the individual's eye.
Claims20
A method for constructing an optical model of an individual's eye using a plenoptic opthalmic camera, the method comprising:
- the plenoptic opthalmic camera capturing in vivo a plenoptic image of a corneal anterior surface of the individual's eye;
- the plenoptic opthalmic camera operating as a wavefront sensor to measure in vivo a wavefront produced by the individual's eye;
- and
- generating the optical model of the individual's eye, wherein the optical model of the individual's eye includes optical models of the corneal anterior surface of the individual's eye, of a lens anterior surface of the individual's eye, and of a lens posterior surface of the individual's eye;
- and generating the optical models comprises:
- generating the optical model for the corneal anterior surface of the individual's eye based on the captured plenoptic image;
- and
- generating the optical models for the lens anterior surface and for the lens posterior surface of the individual's eye based on the measured wavefront and based on the optical model for the corneal anterior surface.
A single imaging platform for making in vivo measurements of an individual's eye, the measurements sufficient to construct an optical model of the individual's eye, the single imaging platform comprising:
- an illumination module for illuminating the individual's eye;
- and
- a plenoptic opthalmic camera for acquiring measurements of the individual's eye illuminated by the illumination module;
- wherein the illumination module and the plenoptic opthalmic camera are configurable for:
- a first configuration in which the plenoptic opthalmic camera captures in vivo a plenoptic image of a corneal anterior surface of the individual's eye;
- and
- a second configuration in which the plenoptic opthalmic camera operates as a wavefront sensor to measure in vivo a wavefront produced by the individual's eye;
- and
- a post-processing module that generates the optical model of the individual's eye, wherein the optical model of the individual's eye includes optical models of the corneal anterior surface of the individual's eye, of a lens anterior surface of the individual's eye, and of a lens posterior surface of the individual's eye;
- and
- generating the optical models comprises:
- generating the optical model for the corneal anterior surface of the individual's eye based on the captured plenoptic image;
- and
- generating the optical models for the lens anterior surface and for the lens posterior surface of the individual's eye based on the measured wavefront and based on the optical model for the corneal anterior surface.
A non-transitory computer-readable storage medium storing executable computer program instructions for constructing an optical model of an individual's eye using measurements captured by a plenoptic opthalmic camera, the instructions executable by a computer system and causing the computer system to perform a method comprising:
- accessing a plenoptic image of a corneal anterior surface of the individual's eye, the plenoptic image captured in vivo by a plenoptic opthalmic camera;
- accessing a measurement of a wavefront produced by the individual's eye, the wavefront measured in vivo by the plenoptic opthalmic camera operating as a wavefront sensor;
- and
- generating the optical model of the individual's eye based on the captured plenoptic image and the measured wavefront, wherein the optical model of the individual's eye includes optical models of the corneal anterior surface of the individual's eye, of a lens anterior surface of the individual's eye, and of a lens posterior surface of the individual's eye;
- and generating the optical models comprises:
- generating the optical model for the corneal anterior surface of the individual's eye based on the captured plenoptic image;
- and
- generating the optical models for the lens anterior surface and for the lens posterior surface of the individual's eye based on the measured wavefront and based on the optical model for the corneal anterior surface.
Dependencies are inferred from the claim text.