Clinical Solutions
Carl Zeiss ECC normative data study
The Carl Zeiss ECC normative data study demonstrated a significantly lower atypical scan rate for ECC than VCC. The ECC normative database was collected from 10 international centers and included 251 normal subjects (42% of which were Caucasian) and 215 glaucoma subjects (47% of which were Caucasian). 1

Atypical Scans:
ECC Versus VCC
ECC atypical scans VCC atypical scans
Normal subjects0%2.8%
Glaucoma subjects0%8.0%


No atypical scans among 215 glaucoma subjects
Carl Zeiss ECC normative data study
1Gurses-Ozden R. CZMI Internal Clinical Report: Collection of Normative and Glaucoma Data Using GDxVCC™ Scanning Laser Polarimetry.