Topcon 3D OCT-1 - Page 135

133
ANALYZING TOMOGRAMS
The following parameters are displayed on the color fundus image.
"VCDR" is displayed only in report.
Parameter Name on report Function
DA Disc Area (mm
2
) Disc area (Area of the region surrounded by a blue line)
CA Cup Area (mm
2
) Cup area (Area of the region surrounded by a pink line)
RA Rim Area (mm
2
) Rim area (Area of the region between the above-men-
tioned two lines)
CV Cup Volume (mm
3
) Cup volume
RV Rim Volume (mm
3
)Rim volume
CDR C/D Area Ratio Ratio of area cup/disc
LCDR Linear CDR Ratio of average linear cup/disc along meridian
(= Square root of "Ratio of area cup/disc")
VCDR Vertical CDR Ratio of C/D in vertical direction
VDD Vertical D.D Maximum length in vertical direction
HDD Horizontal D.D Maximum length in horizontal direction