46
Humphrey Matrix Visual Field Instrument
Rev. D 08/21/06 PN 701692
Storage and Shipping Conditions
Storage Temperature: -20° C to +60° C [-4° F to +140° F]
Storage Humidity: 0% to 90% non-condensing (limited to 90% @ 40° C, 50% @ 50° C)
Storage Altitude: 700 hPa to 1060 hPa
VISUAL FIELD TEST SPECIFICATIONS
FDT Test
Visual
Field
Locations
Probability
Level
Classifications
Fixation
Catch
Trials
False
Positive
Trials
False
Negative
Trials
Test
Strategy
N-30-5 (-1)
Screening
19
4
3
3
0
Supra-
Threshold
24-2-5 (-1)
Screening
55
2
10
10
0
Supra-
Threshold
N-30-F
Threshold
19
4
6
6
3
MOBS
24-2
Threshold
55
4
10
10
6
ZEST
30-2
Threshold
69
4
10
10
6
ZEST
10-2
Threshold
44
4
10
10
6
ZEST
Macula
Threshold
16
4
6
3
0
ZEST
FDT Test
Field of view
tested
(degrees)
Approximate
Target size
(degrees)
Spatial
frequency
(cycles /
degree)
Temporal
frequency
(Hz)
N-30-5 (-1) Screening
Central 30
10 x 10
0.25
25
24-2-5 (-1) Screening
Central 30
5 x 5
0.50
18
N-30-F Threshold
Central 30
10 x 10
0.25
25
24-2 Threshold
Central 30
5 x 5
0.50
18
30-2 Threshold
Central 30
5 x 5
0.50
18
10-2 Threshold
Central 10
2 x 2
0.50
12
Macula Threshold
Central 5
2 x 2
0.50
12
Содержание Humphrey matrix
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