Anterior Segment Scans
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CIRRUS HD-OCT User Manual
6-14
HD Cornea Scan
This (anterior segment) scan generates a single high–definition scan with a depth of 2.0
mm that has a wider field of view than the Anterior Segment 5 Line Raster. The scan uses
20 B-scans, each composed of 1024 A scans. The scan is 9.0 mm in length when oriented
horizontally and has a depth of 2.0 mm. The scan is adjustable from –89 to 90 degrees.
This scan requires the Cornea external lens. The HD Cornea Scan provides the data for the
HD Cornea Analysis (
"Corneal Thickness" on page 8-43
).
The Acquire screen displays the position of the HD Cornea scan pattern on the live iris
image
and displays the OCT image of the scan on the right. The HD Cornea scan requires
the Cornea external lens.
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Guidelines for HD Cornea Scan Acquisition
• Attach the external Cornea lens to the instrument lens mount, see
• Instruct the patient to fixate on the center of the fixation target even though it may
not appear to be in focus
1
2
1 Upper red line
2 Corneal reflex line
Содержание CIRRUS HD-OCT 500
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Страница 32: ...User Documentation 2660021169012 Rev A 2017 12 CIRRUS HD OCT User Manual 2 6 ...
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Страница 58: ...User Login Logout 2660021169012 Rev A 2017 12 CIRRUS HD OCT User Manual 4 14 ...
Страница 72: ...Patient Preparation 2660021169012 Rev A 2017 12 CIRRUS HD OCT User Manual 5 14 ...
Страница 110: ...Tracking and Repeat Scans 2660021169012 Rev A 2017 12 CIRRUS HD OCT User Manual 6 38 ...
Страница 122: ...Criteria for Image Acceptance 2660021169012 Rev A 2017 12 CIRRUS HD OCT User Manual 7 12 ...
Страница 222: ...Overview 2660021169012 Rev A 2017 12 CIRRUS HD OCT User Manual 9 28 ...
Страница 256: ...Log Files 2660021169012 Rev A 2017 12 CIRRUS HD OCT User Manual 11 18 ...
Страница 272: ...Electrical Physical and Environmental 2660021169012 Rev A 2017 12 CIRRUS HD OCT User Manual 13 4 ...
Страница 292: ...Appendix 2660021169012 Rev A 2017 12 CIRRUS HD OCT User Manual A 18 cáÖìêÉ JV kçêã íáîÉ a í aÉí áäë oÉéçêí ...
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