Zeiss CIRRUS HD-OCT 500, User Manual

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CIRRUS HD-OCT User Manual 2660021169012 Rev. A 2017-12
Appendix
A-5
Age Coefficient – RNFL Thickness
Analysis of subject demographics determined that expected thickness was dependent upon
age. Thus age correction is incorporated into the calculated results. Subject ethnicity was
self–reported by the subjects in the population comprising the normative database but was
not used as a variable in constructing the RNFL and macula normative databases.
Figure A-1 , Figure A-2 , and Figure A-3 display scatter plots for RNFL Summary
Parameters versus age along with the fitted regression lines. These demonstrate that the
RNFL summary parameters decrease gradually as the age increases.
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