Welch Allyn FDT2 - User Manual - Handbuch (Seite 53)

Humphrey Matrix 49
Rev. A 12/22/03 TN 112738-1GR
Right Eye
30 30
30
30
Humphrey Matrix 24-2 (55pts.) and 30-2 (69pts.) FDT Tests
5x5 degree FDT patterns (18 Hz, 0.5 cycles/degree)
Horizontal axis offset +/- 1 Degree
Vertical axis offset +/- 3 Degrees
(~1 degree square stationary central fixation target)
Key
HFAII 24-2 (54 pts)
HFAII 30-2 (76 pts)
FDT 24-2 (55 pts)
FDT 30-2 (69 pts)
30 degree FOV
Self-alignment
"corners"
(4 places)
+ / - 1 degree
vertical offset
+ / - 3 degrees
horiz. offset
Blindspot
target
(~ 1 degree
diameter)
5 degrees
5 degrees
5 de
gre
es
0.5 degree
vertical spacing
between patterns