Correcting large visual axis offset errors
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United States of America Patent
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N/A
Issued Date -
Jan 30, 2003
app pub date -
Jul 30, 2002
filing date -
Jul 30, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method is provided to correct visual axis offset errors. Such errors in the visual axis offset are large if they significantly affect the patient's vision. The visual axis offset is the difference between the visual axis and the reference axis, commonly the pupillary axis. Although correcting the visual axis offset error may be most often performed by refractive surgery, the visual axis offset error may also be corrected in spectacles or contacts lenses. A benefit of correcting large visual axis offset errors secondary to patient vision is aesthetic appeal. Significant visual axis correction may require patient training. Although this may not compensate entirely for amblyopic vision, it may alleviate part of the dysfunction. Another benefit of correcting larger visual axis errors is providing the patient with a larger area of better vision within the aperture.
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