SYSTEM AND METHOD FOR ASSISTING A SUBJECT WITH ALIGNMENT TO AN OPHTHALMOLOGIC DEVICE
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Dec 14, 2022
filing date -
Dec 14, 2022
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Abstract
A system for assisting a subject with alignment with an ophthalmologic device that includes a first light source and an image sensor. The system includes first and second fixation targets located in a first plane to transmit light having first and second optical characteristics. Also, first and second apertures are located in a second plane and configured to spatially filter the light transmitted from the first and second fixation targets. At least one lens configured to image the first and second apertures in the second plane to a third plane approximately corresponding to the subject's pupil, wherein, based upon the ophthalmologic device being misaligned with the subject's pupil in the third plane, the subject's retina receives an image of at most one of the first and second fixation targets.
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