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AI Biotech/Diagnostics: Cardio
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Application US20190082957
Published 2019-03-21
Ophthalmic Apparatus
An ophthalmic apparatus of an embodiment include a data acquisition device, distribution data generator, correction value calculator, magnification corrector, and data comparator. The data acquisition device acquires three dimensional data by applying OCT to the fundus of a subject's eye. The distribution data generator generates distribution data of a predetermined measurement value in the fundus based on the three dimensional data. The correction value calculator calculates a magnification correction value based on a predetermined condition for acquiring the three dimensional data. The magnification corrector changes at least one of the size of standard distribution data generated in advance for the predetermined measurement value and the size of the distribution data, based on the magnification correction value. The data comparator compares the distribution data with the standard distribution data, at least one of whose sizes has been changed by the magnification corrector.
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- 1. An ophthalmic apparatus comprising:
a data acquisition device that acquires three dimensional data by applying optical coherence tomography to a fundus of a subject's eye; a distribution data generator that generates distribution data of a predetermined measurement value in the fundus based on the three dimensional data; a correction value calculator that calculates a magnification correction value based on a predetermined condition for acquiring the three dimensional data; a magnification corrector that changes at least one of a size of standard distribution data generated in advance for the predetermined measurement value and a size of the distribution data, based on the magnification correction value; and a data comparator that compares the standard distribution data and the distribution data with each other, at least one of whose sizes has been changed by the magnification corrector.
- 10. An ophthalmic apparatus comprising:
a data acquisition device that acquires three dimensional data by applying optical coherence tomography to a fundus of a subject's eye; a distribution data generator that generates distribution data of a predetermined measurement value in the fundus based on the three dimensional data; a data supplementation device that supplements the distribution data based on predetermined information when the distribution data does not comprise data corresponding to part of standard distribution data generated in advance for the predetermined measurement value; and a data comparator that compares the distribution data after supplementation with the standard distribution data.
- 11. An ophthalmic apparatus comprising:
a reception part that receives three dimensional data acquired by applying optical coherence tomography to a fundus of a subject's eye and a predetermined condition for acquiring the three dimensional data; a distribution data generator that generates distribution data of a predetermined measurement value in the fundus based on the three dimensional data; a correction value calculator that calculates a magnification correction value based on the predetermined condition; a magnification corrector that changes at least one of a size of standard distribution data generated in advance for the predetermined measurement value and a size of the distribution data, based on the magnification correction value; and a data comparator that compares the standard distribution data and the distribution data with each other, at least one of whose sizes has been changed by the magnification corrector.
- 12. An ophthalmic apparatus comprising:
a reception part that receives distribution data, generated based on three dimensional data acquired by applying optical coherence tomography to a fundus of a subject's eye, of a predetermined measurement value in the fundus and a predetermined condition for acquiring the three dimensional data; a correction value calculator that calculates a magnification correction value based on the predetermined condition; a magnification corrector that changes at least one of a size of standard distribution data generated in advance for the predetermined measurement value and a size of the distribution data, based on the magnification correction value; and a data comparator that compares the standard distribution data and the distribution data with each other, at least one of whose sizes has been changed by the magnification corrector.
