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US 12,279,820 B2Granted
Medical devices, systems, and methods for performing eye exams and eye tracking
AssigneeEnvision Diagnostics, Inc.
InventorsAlexander C. Walsh, Paul G. Updike, Richard Castro
Life of this patent
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Abstract
Apparatus and methods for eye tracking using an optical coherence tomography (OCT) device are disclosed. Such eye tracking may be performed by using information about the shape of the cornea and the corneal apex or using the iris/pupil border obtained using the OCT device.
Claims20
A method for eye tracking, the method comprising:
- performing at least one OCT B-scan including at least a portion of an iris and at least a portion of a pupil of an eye;
- determining locations of at least two pupillary border points between said iris and said pupil of the eye based on the at least one OCT B-scan;
- and
- calculating a pupillary midpoint of said pupil based at least in part on the locations of the at least two pupillary border points.
1 more element
Dependencies are inferred from the claim text.