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US 12,733,805 B2Granted
Medical devices, systems, and methods for performing eye exams using displays comprising MEMS scanning mirrors
AssigneeEnvision Diagnostics, Inc.
InventorsAlexander C. Walsh, Paul G. Updike, Richard Castro
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Abstract
An instrument for imaging the eye and performing ophthalmic diagnostic tests is disclosed that obtain images of the structures of the eye using imaging technology such as optical coherence tomography (OCT). To assist with such imaging and/or provide additional diagnostics, the ophthalmic diagnostic instrument may additionally include a display for presenting images to the subject whose eyes and vision are being evaluated. This display system may comprise a MEMS (microelectromechanical system) scanning mirror.
Claims14
An ophthalmic diagnostic instrument comprising:
- a display comprising:
- a light source configured to output a laser beam;
- a MEMS scanning mirror disposed to receive said laser beam, said MEMS scanning mirror comprising a mirror configured to direct light from the light source onto an eye of a user and one or more actuators configured to move the mirror to scan the light from the light source over an area on the eye;
- a platform capable of rotational and/or linear movement configured to move in response to eye deviation;
- and
- processing circuitry in communication with the display and the platform,
- wherein the MEMS scanning mirror is mounted on the platform, and wherein the processing circuitry is configured to:
- control the laser beam in coordination with the scanning of the MEMS scanning mirror to form an image on a retina of the eye;
- and
- control the rotational and/or linear movement of the platform to correct for eye deviation.
7 more elements
Dependencies are inferred from the claim text.