Zeiss CIRRUS HD-OCT 500, User Manual

Page: 171 / 352

CIRRUS HD-OCT User Manual 2660021169012 Rev. A 2017-12
Anterior Segment
8-49
In HD Cornea Analysis
The HD Cornea Analysis screen shows the iris viewport with the scan line, the length of
scan, and the scan angle displayed (
Figure 8-33 ). The length of the scan and the scan
angle are also displayed above the OCT image.
cáÖìêÉ=UJPP=ea=`çêåÉ~=^å~äóëáë=
In Anterior Chamber Analysis
To measure the Center Corneal Thickness (CCT) via the Anterior Chamber Analysis screen,
adjust the position of the vertical arm of the ACD tool by clicking and dragging it
horizontally. The measured value will appear in the Anterior Chamber Analysis Viewport
(
Figure 8-25 ).
The measurements will appear on the OCT image and a summary of the measurements will
appear in a table above the OCT image. See "
Using Anterior Chamber Analysis" on
page 8-42 for a complete description of the use of the ACD and Add Angle tool.
In Anterior Segment Cube Analysis
The Anterior Segment Analysis screen ( Figure 8-34 ) for the Anterior Segment Cube
512x128 scan displays the iris viewport with the scan area and scan navigators
superimposed. The X slice (fast – B-scan) is shown in the upper OCT viewport and the Y
slice (slow – B-scan) is shown below it. Click and drag the slice navigators in the iris
viewport to move through the slices.
NOTE: The Caliper function for Anterior Segment Cube Analysis only works in the vertical
direction.