Normative Database Comparisons; Adjusting Slab Locations - Zeiss CIRRUS HD-OCT 500 User Manual

Normative Database Comparisons

Adjusting Slab Locations

CIRRUS HD-OCT User Manual
Appendix A "Normative Data Results"
studies for the following populations that have been used as the basis for deviation
calculations in the CIRRUS HD-OCT software:
• RNFL and Macula Normative Database (Diversified)
• Optic Nerve Head Normative Database (Diversified)
• ONH and RNFL OU Normative Database
• Ganglion Cell Normative Database (Diversified)
• Asian Normative Database
Comparison with normative databases is selected in
page 4-9.
To adjust slab offset, do one of the following:
• Use the slice navigation arrows to drag the bottom boundary up or down.
• With the mouse pointer anywhere on the screen except on the B-scan, use the mouse
scroll wheel.
• Enter a value in the Offset field below the image or click the up or down arrows.
To adjust slab thickness, do one of the following:
• Drag the top boundary up or down.
• Press SHIFT or CTRL and with the mouse pointer anywhere on the screen except on the
B-scan, use the mouse scroll wheel.
• Enter a value in the Thickness field below the image, or click the up or down arrows.
As you move a slab boundary, the OCT en face image, offset, and thickness values are
updated to reflect the slab adjustment.
Overview
includes the results of Normative database
"Normative Data Settings" on
Upper
boundary of
slab
Lower
boundary of
slab
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