50
Visionix EyeRefract User Guide
50
Overview of the Software
The following controls are added:
The patient read the next letter correctly.
The patient read the entire line correctly. Display the next smaller line.
The patient failed to read the next letter correctly.
The patient failed to read any of the letters in the line correctly. Display the next
bigger line.
Pelli-Robson Patient-Response Controls
When the Pelli-Robson test is selected (#2 in the illustration below), the system expects you to
report on whether the patient read each letter correctly. For this purpose, controls are added to
the chart-control area (#1 below):
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