Ophthalmologic apparatus and alignment method
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United States of America Patent
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May 2, 2017
Grant Date -
Jan 30, 2014
app pub date -
Jul 24, 2013
filing date -
Jul 30, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is an ophthalmologic apparatus capable of executing accurate automatic alignment even for an eye having an intraocular lens (IOL) implanted therein. The ophthalmologic apparatus includes: an optical system including a light beam projecting unit for projecting a light beam to an eye to be inspected, and a light receiving unit for receiving a reflection light beam from the eye to be inspected; a detecting unit for detecting a plurality of bright spot images from the reflection light beam received by the light receiving unit; and a calculating unit for calculating an alignment status between the eye to be inspected and the optical system based on the detected plurality of bright spot images. The ophthalmologic apparatus is further provided with a selection unit for selecting bright spot images to be used for the calculation by the calculating unit, from among the plurality of bright spot images.
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