Returning The Visor To The Retracted Position - Zeiss HUMPHREY 720i User Manual

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REV.B 02/03 PN 51680-1
4
At the conclusion of
Blue-Yellow testing,
slide the visor back into the
forehead rest. See Figure 4.4.
A message will remind you to
replace the visor beneath the
forehead rest. Move the visor
toward you (away from the
test bowl). If the visor is not
retracted, stimuli in the
superior visual field may not
be seen beyond 35 degrees
during White-on-White testing.
Move visor
toward you
Figure 4.4: Returning the Visor to the Retracted Position
Additional Notes on Blue-Yellow Perimetry:
1. Be careful to check the instrument before starting the first test of the day to see that the
visor is placed in the retracted position. The visor reminder is not displayed at start up.
2. When beginning the first Blue-Yellow test of the day, the HFA II will go through an
extensive diagnostic cycle before you can begin the test. This delay may last up to two
minutes and is normal. It is suggested that you set up the first Blue-Yellow test before you
seat the patient. Many offices do this when they first turn on the instrument for the day.
Be sure to have the room lights very low or off during the initial Blue-Yellow warm-up.
3. If you intend to perform Blue-Yellow testing often, using the Alter Main Menu feature
(Section 2) to customize a Main Menu button will make SWAP testing more convenient.
4. Blue-Yellow testing cannot be used with SITA.
TEST PARAMETERS AND STRATEGIES
HUMPHREY FIELD ANALYZER II - i series