ROTATING SLIT-SCAN FUNDUS IMAGER
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United States of America Patent
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Issued Date -
Aug 11, 2016
app pub date -
Feb 1, 2016
filing date -
Feb 6, 2015
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Abstract
An improved fundus imager for recording an image of a fundus of an eye is described. A line from a point on the fundus at a center of the image to a center of a pupil of the eye defines an axis. The fundus imager includes at least a source of illuminating light, optics for directing the illuminating light to the fundus of the eye, and a rotating element for rotating the illuminating about the axis such that the illuminating light illuminates the fundus at a plurality of locations around the axis. In a preferred embodiment of the present application, the rotating element is a rotating slit-shaped illumination aperture. In an alternate embodiment, the rotating element is a Dove prism for rotating the illuminating light on the fundus.
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