Kowa AP-7000 Manual Do Utilizador
43
4.7.2. Examination parameter setting
[Common parameters]
In the description below, the values provided with the asterisk mark () are set by default. You can change those
parameter values using the parameter value change dialog when necessary.
parameter values using the parameter value change dialog when necessary.
① Presentation time
Standard: 0.2 sec.
Optional: You can set a value in the range from 0.1 to 1.2 sec. When you press [Optional], the change button in
the upper right of the dialog becomes effective. Press this button to open the numeric value input dialog,
and input a new value for the presentation time.
and input a new value for the presentation time.
② Presentation interval
Standard: Max. 1.5 sec., Min. 0.6 sec.
Long:
Max. 3.3 sec., Min. 0.6 sec.
Auto: The maximum interval is automatically set according to the response time of the patient during an
examination. When you press [Auto], Standard and Long appear below it. Then, you can select either one
for the initial value.
for the initial value.
③ Stimulus size
III
Select from I through V, which correspond to the Goldmann’s stimulus sizes I through V.
④ Blind spot size
II
Select from I through V, which correspond to the Goldmann’s stimulus sizes I through V.
⑤ Fixation loss
ON
Select ON to stop the current examination when a fixation loss takes place during the examination.
Select OFF to perform no fixation loss examination with blind spot stimulation.
You can re–set the blind spot during an examination only. (P. 79)
Select OFF to perform no fixation loss examination with blind spot stimulation.
You can re–set the blind spot during an examination only. (P. 79)
⑥ False – positive reaction
ON
To perform the false – positive reaction examination (ON)/Not to perform (OFF)
⑦ False – negative reaction
ON
To perform the false – positive reaction examination (ON)/Not to perform (OFF)
⑧ Stimulus color
White
You can select one from four colors of white, blue, green, and red.
⑨ Background color
White
You can select one from two colors of white and yellow.
When the background color is set to yellow, the background intensity becomes 100 cd/m
When the background color is set to yellow, the background intensity becomes 100 cd/m
2
.
⑩ Fixation
Center: Only one point at the center of the dome is set as the fixation target.
Aux: 4 points at a position of 8.75 degrees from the center of the dome are set as the fixation target. When a
patient has a visual field defect in the macular area and cannot see the target at the center, select Aux and
tell the patient to see the center of the 4 points.
tell the patient to see the center of the 4 points.
You can set the intensity of the fixation target by moving the slider on the right upward or downward.