US Patent 10959614 Ophthalmologic device and pupil state measuring method
Patent 10959614 was granted and assigned to Topcon on March, 2021 by the United States Patent and Trademark Office.
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To provide an ophthalmologic device and a pupil state measuring method capable of securing accuracy of a measurement result of objective measurement and effective for investigating the cause of an error during objective measurement. A pupil state measuring method according to the present invention includes: an ocular characteristic measuring step of objectively measuring an ocular characteristic of a subject eye of a subject; an imaging step of substantially simultaneously imaging an anterior ocular segment of the subject eye from different directions using at least two imaging units in measuring the ocular characteristic; a measuring step of analyzing at least one image of images taken by the at least two imaging units to measure a pupil state of the subject eye; and a step of performing the imaging step and the measuring step in measuring the ocular characteristic.
US Patent 10959614 Ophthalmologic device and pupil state measuring method
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