Performing an Exam
(continued)
Comparing Refraction Data
One of the advantages of the Visutron 900
Touch
is the abil-
ity to quickly and easily compare different refractions with
the push of a button, enabling patients to see the difference
between old and new prescriptions, or the difference between
two possible prescriptions.
Refraction data can be transferred and stored in the Final,
Mem1, and Mem2 storage boxes.
Once data is entered for a particular dataset, it can be called
up at any point by the drop down menu, or by one of the cor-
responding buttons. The subjective, lensmeter, autorefractor,
unaided, and final data can be quickly called up with the press
of a button.
Figure PE-12, Gray Data Keys
Figure PE-13, Drop Down List
64
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