Canon OCT-A1, Руководство по эксплуатации

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7 Report
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[Maximum - Minimum]: Difference between the maximum and minimum corneal
thicknesses
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[SN-IT]: Difference between SN sector and IT sector within the corneal grid ( 2 to
5 mm)
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[S-I]: Difference between S sector and I sector within the corneal grid ( 2 to 5 mm)
•
[ST-IN]: Difference between ST sector and IN sector within the corneal grid ( 2 to
5 mm)
•
[T-N]: Difference between T sector and N sector within the corneal grid ( 2 to 5 mm)
Normative Database
By comparing the retinal thickness with the age-specific normative database, the color-
coded percentile against the normative distribution is shown. The normative database
of the product is based on 520 eyes data which includes four ethnic groups of “Asian”,
“Hispanic”, “White” and “Black”. Also, the age groups are as follows:
Age Asian Hispanic White Black
18 to 30 x x x x
31 to 40 x x x x
41 to 50 x x x x
51 to 60 x x x x
61 to 70 x x x x
71 to 85 – – x –
When the patient’s age is outside the normative database, the result is compared with
the data of the nearest age group.
•
Age of 17 or under: Compare with the data of 18 to 30 age group.
•
Age of 71 or over: Compare with the data of 61 to 70 age group (except “White”).
•
Age of 86 or over: Compare with the data of 71 to 85 age group (only “White”).
In this case, [under18], [over70] or [over85] is shown each at the bottom right of the NDB
comparison map and the trend graph.
Color-coded Normative Database
Color code varies with the analyses. The color patterns are as follows.
Macula Thickness Analysis/2D Tomogram Analysis/General
Tomogram Analysis/Wide 3D Scan Analysis
• Pink: 99% or more
The measurement value indicates the 99th percentile or more from the thinnest value
in NDB.
• Light Yellow: 95 to 99%
The measurement value indicates the range from the 95th to 99th percentile from the
thinnest value in NDB.
BT8-1794-E01_RX OCT-A1_HS100 V4.6_CVS.indb 153 10/26/2020 10:49:55 AM