Zeiss Humphrey II-i series - Change the Baseline Selection; GPA Exam Selection Features and Constraints

Guided Progression Analysis (GPA)
Humphrey Field Analyzer II- i series User Manual 2660021145640 A
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Change the Baseline Selection
By default, when you enter the Exam Selection – GPA screen, the Selection mode is Follow-up. Select the
SELECTION MODE button to toggle between Follow-up and Baseline mode. To change the Baseline
selection for GPA, enter Baseline mode and click on each exam that you want to be part of the new
Baseline selection. An asterisk (*) indicates the exam is selected for a Baseline as shown in Figure 8.17.
Only the two most recently selected Ba
seline exams will be selected as Baselines, so when you click on an
exam to make it a Baseline, the oldest previous Baseline will be removed as a Baseline and from selection.
Figure 8.17 Exam Selection – Baseline Selection Mode
GPA Exam Selection Features and Constraints
To ensure that GPA results are valid, GPA has features that constrain exam selection in the following ways:
At Least 3 Compatible Tests Are Required
To run a GPA analysis requires two Baseline tests of the same str
ategy and at least one Follow-up
exam of a compatible SITA strategy—see Table 8.1, "Permitted Baseline–Follow-Up Configurations
for GPA," on page 8-12. The following message will appear if you have selected a GPA prin
tout and
if the tests you selected do not fit this criterion:
Select PRINT CLASSIC SFA to print a Classic SFA report, or select RETURN TO PRINT MENU to return to
the Print Menu. You cannot run GPA until you have a sufficient number of compatible tests for that
eye.