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7 Operation
7.4 Acquire Images
Prerequisite
Action
NOTE
Figure 15: UWF Fixation Targets
Prerequisite
Action
114 / 192
• Use the external fixation target: Using the External Fixation
Target [} 123]
To capture a WF image:
þ The device is prepared. (See Preparing the Device [} 99].)
þ The patient is prepared. (See Preparing the Patient [} 100].)
1. Under Scans, select WF.
2. Select the Scan Type (Color, IR, FAF-Green, or FAF-Blue). For
more information , refer to: Scan Types [} 108].
3. Under Settings, select Myd if the patient's pupil is dilated and
Non Myd if the patient's pupil is not dilated.
4. Instruct the patient to look inside the lens, focus on the green
fixation target and blink naturally.
If the patient cannot see the fixation target, refer to: Tips to
Help Patients Find Fixation Targets [} 112].
5. The instrument automatically focuses the image. To manually
adjust focus, refer to: Manually Focusing the Image [} 122].
6. Instruct the patient to blink and then open their eyes wide.
7. Click the joystick button or click Capture.
ð A preview of the captured image appears for several
seconds and is added to the selection bin.
8. Repeat adjustments and scans as needed until all scans are
acquired.
7.4.3 Capturing an Ultra-widefield Image (2-Image Montage)
Figure 16: UWF Image Example
When you capture an ultra-widefield (UWF) image, CLARUS® 500
takes two widefield images and stiches them together for a wider
view of the retina. The fixation targets for these images are preset
at temporal and nasal.
To capture an UWF image:
þ The device is prepared. (See Preparing the Device [} 99].)
þ The patient is prepared. (See Preparing the Patient [} 100].)
1. Under Scans, select UWF.
2. Select the Scan Type (Color, IR, FAF-Green, or FAF-Blue). For
more information about Scan Types, refer to: Scan Types
[} 108].
Instructions for Use
CLARUS® 500
2660021171806 Rev. A 2019-01
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Troubleshooting
