Device and method for adjusting a position of an eyeglass lens relative to the position of a pupil
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United States of America Patent
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Issued Date -
N/A
app pub date -
Jul 22, 2005
filing date -
Jan 28, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus and a method are used for adapting a position of at least one spectacle lens of a spectacle relative to the position of a pupil of an eye of a person, the eye being associated to the spectacle lens. The apparatus comprises an illuminating device for an eye area of the person wearing a spectacle frame that is not yet fitted with lenses. Further, at least one camera for generating an image of the eye area is provided. The position of the pupil within the image is marked. The illuminating device has at least one light source operating within a wavelength range the light of which being reflected by the retina of the eye at a high ratio of reflection. The camera in its sensitivity is optimized to the wavelength of the light emitted by the light source.
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