Instructions for Use
8 Operation
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8.3 Prepare the Patient
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If necessary, remind the patient to rest their head gently against
the head rest so their forehead moves easily with the chinrest as it
moves left, right, up, or down.
The video image of the eye is clearest when the instrument is the
right distance from the patient.
Instruct the patient to sit back for the chinrest to move into
position:
• Before you click
ID Patient
• After selecting the scan type
• After selecting a prior scan (repeating its settings)
• Between scans
• Before you click
Finish
To guide the patient through the scan procedure:
Prerequisite
þ
You are logged in to the PLEX® Elite 9000 instrument and the
Patient
screen is open (Logging In as Operator or Data Analyst
[
}
73]
).
þ
The patient is sitting back (head is not in the headrest).
Action
1. Instruct the patient to sit back.
2. If you use a patient's prior scan, select the scan with the setting
you want to repeat.
ð
The instrument applies the same settings as the prior scan
and the chinrest moves into the position used in the prior
scan.
3. If you are not repeating a prior scan, select the scan type for
the eye to scan.
ð
The chinrest moves into position for the eye selected and
the default position for the type of scan.
4. When chinrest movement is complete, ask the patient to
position their head in the headrest and look inside the imaging
aperture.
5. Instruct the patient to focus on the green star (fixation target)
in the imaging aperture and blink normally.
6. Adjust the headrest as required to align the patient.
NOTE! The image might not be clear at this point; you
will focus the image in a later step.
ð
Alignment progresses through a series of steps, which vary
depending on patient attributes such as whether patients
can fixate steadily, the opacity of the eye, etc..
7. With the patients’s eye aligned with the scan beam in three
dimensions and image tools applied, instruct the patient to
blink and then open eyes wide during acquisition.
Содержание PLEX Elite 9000
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