STATPAC Analysis & Printing
Humphrey Field Analyzer II-
i
series User Manual 2660021145640 A
7-14
normals database. These patients may fall outside normal limits established in this statistical
package for reasons other than field loss, such as cataracts.
A Note of Caution
Rules of common sense must be applied when
using STATPAC. This statistical package represents an
attempt to aid the practitioner in making medical decisions. There will be situations where it will not
give the proper analysis either because of its own limitations or because it was applied to
inappropriate data. Obviously, the practitioner must bear the ultimate responsibility for all decisions
and must use STATPAC with its limitations in mind. In cases of uncertainty, consultation with
sub-specialists is often the prudent course.
Three-in-One Printout
If you have selected a threshold test pa
ttern or test parameters that do not meet the criteria for
STATPAC analysis, results are presented on the Three-in-One printout. The Three-in-One printout
includes a graytone, numeric, and defect depth presentation of the results of a single test on one
page. The numbers which appear outside each quadrant of the numeric grid are called “quad
totals” and represent a summation of the threshold values determined in each quadrant. These
numbers, which even in normals will not be the same for each quadrant, can be useful in comparing
several tests on the same patient over time. This format is available for 10-2, 24-2, 30-2 central field
tests, and for the peripheral 60-4 test.
The nasal step threshold test printout differs from
other Three-in-One printouts. Only threshold and
defect depth data are shown. All graytone data is omitted.
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