OPD scanning system
NIDEK CO. LTD.Request Info
The OPD-Scan II ARK-10000 optical path difference
(OPD) scanning system for human vision assessment has been unveiled by Nidek Co.
Ltd., providing information on corneal topography, autorefraction, keratometry and
pupillometry. The system uses the principles of skiascopic phase difference for
refractive error map measurement. The retina is scanned with an IR light slit beam,
and the reflected light is captured by photodetectors. With the Placido disk technology,
the system captures the image of reflected rings of light from the cornea and analyzes
the data points to plot the corneal contour, shape and refractive power. It provides
various data maps to detail the overall visual quality of the eye. Optional software
and a corneal navigator function are offered.
/Buyers_Guide/NIDEK_CO_LTD/c10288
Published: August 2006
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