Zeiss CIRRUS HD-OCT 500, User Manual

Page: 90 / 352

Anterior Segment Scans
2660021169012 Rev. A 2017-12 CIRRUS HD-OCT User Manual
6-18
• The horizontal B-scan is correctly positioned when it fits between the two red lines on
the viewport with the anterior corneal surface aligned with the upper red line, as
shown in
Figure 6-10 .
NOTE: Minimize eyelash and eye interference as much as possible.
Anterior Segment 5–Line Raster Scan
This scan can be positioned anywhere on the Iris image and has an adjustable line length
of 3, 6, or 9 mm, an adjustable angle of –89 to 90 degree, and adjustable spacing from 0
to 1.25 mm in increments of 0.025 mm. It is used as the basis for HD Images Analysis
(
"High Definition Images Analysis" on page 8-55 ).
The Acquire screen displays the position of the Anterior Segment 5 Line Raster scan pattern
on the live iris image. The OCT B-scan images on the right correspond to the 5 scan lines,
with the middle scan line corresponding to the larger middle OCT B-scan image.
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1 Grey Bar for aligning B-scan
1 1
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