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Visionix EyeRefract User Guide
38
Overview of the Software
Shack-Hartmann
Shack-Hartmann image of the left eye (shown in the large camera pane)
Tap any spot in the image to move the unit's head so that that spot is aligned
with the cross hairs in the center of the image.
Camera view
The image of the patient's eye that is visible through the camera (shown in the
small camera pane)
Tap the pane to switch the display such that camera view is enlarged and
displayed in the large camera pane (#7), while the Shack-Hartmann image is
reduced and displayed in this small camera pane. Tap this area again to switch
the images back to their default locations.
When you tap the Start button (#12), the Shack-Hartmann and camera view
automatically switch places (but you can manually switch them back and forth at
any time).
Down arrow
Lowers the head on this side so that it aligns better with the patient's eyes
Tap the arrow to move the head down one step, or press and hold to move the
head continuously until you release the button.
Progress bar
Shows the current stage of the measurement procedure on the eye (or, if the eye
is deactivated, says Eye Inactive)
Skip
Aborts the current stage of the measurement procedure for the eye, and
continues to the next stage (or ends the procedure, if this was the last stage)
Stop
Stops the diagnostic test and opens the Refraction screen
Gain button
will appear when there is difficult in finding the focus. (usually in cataract)
press first 1 then if still no focus press in 2 then on 3.
4. 6 Refraction Screen
The Refraction screen displays the results of wavefront analyses and contains controls for
both the chart display, the near-vision target, and the built-in phoropter. You can use this screen
to perform a subjective refraction either after the wavefront measurement process is
completed, or manually as required.
Two alternative modes of the Refraction screen are available:
Quick Pro mode, a wizard that performs the refraction semi-automatically, in a series
of steps in which you are presented with questions to ask the patient, you input the
patient's answers, and the system automatically adjusts the phoropter lenses in
response to the patient input; at the beginning of the process, the wizard initiates a
wavefront measurement
Manual mode, which gives you manual control of the phoropter, the chart displays, the
working distance, and the system's other features. this mode is possible only from
Quick Pro Mode.
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