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8-8
ILM–RPE Layers
2660021169012 Rev. A 2017-12
Posterior Segment
The thickness grid also moves in conjunction with the repositioning of the ETDRS Grid
position on the overlay, as shown in
ETDRS Grid
position
moved
Thickness
grid moves
in conjunction
with ETDRS
Grid
This interactive analysis screen gives you several options to view patient data. Use the
button tools to line up the slice navigators with ETDRS Grid position and vice versa. For
example, manually drag the ETDRS Grid to a new position on the overlay, then:
• Select
to center the slice navigators over the new ETDRS Grid position, as shown
on the left. Note that the thickness grid does not change location.
• Select
to reset the ETDRS Grid position to the original CIRRUS–calculated
position. The slice navigators also move back to their original positions over the ETDRS
Grid position.
Now move the slice navigators to a new position, as shown in
Grid position does not change, nor does the thickness grid position.
• Select
to align the ETDRS Grid position with the slice navigators.
• Select
to move the ETDRS Grid and the slice navigators back to their original
location.
To save the new fovea position for future analysis, click the Save button
right–hand corner of the screen.
The Inner Limiting Membrane (ILM) and posterior portion of the Retinal Pigment
Epithelium (RPE) may be viewed and measured quickly through the CIRRUS Macular
Thickness Analysis
(Figure
8-3).
Slab Overlay ILM–RPE Thickness Map
The ETDRS grid in
Figure 8-5
thickness. You can change the position of the ETDRS grid. If you change it, the reported
Figure
8-4.
cáÖìêÉ=UJQ=qÜáÅâåÉëë=dêáÇ=jçîÉãÉåí
shows the values, in micrometers, of the ILM–RPE
CIRRUS HD-OCT User Manual
Figure
8-4. The ETDRS
in the upper
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Troubleshooting
