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2 As shown in Fig. 4, move the luminous dot into “ ” mark and adjust the position of
Main unit or Measurement unit to reduce the size of the luminous dot as small as
possible.
After all adjustments are completed, push “Measurement switch”.
■
6-3 Frontal view alignment
Perform the frontal view alignment while monitoring Frontal view
alignment screen shown in the display.
1 Frontal view of the patient’s eye is shown in the display.Move Main unit until the
luminous dot comes in the center of the display as shown in Fig. 3.
■
6-1 Procedure for measurements: Overview
Fig. 1 shows overview of measurement procedure.
■
6-2 Ocular height adjustment
Align Eye Level Mark with the patient’s eye.
Put POWER Switch into ON position “ ” .Pull back Main unit and ask the patient to sit
in front of the device.Ask the patient to rest his or her chin on Chin-rest and forehead on
Forehead rest.Move Main unit to the right proximal position where you can see the right
eye directly.Ascend or descend Chin-rest to align Eye Level Mark ( Fig. 2
) with
the patient’s eye.Using Calibrator as an index, place Measurement unit to the same
position.Adjust crosswise position of Main unit to the patient’s eye.
6. Procedure for measurements
Flr: 0
WA:
N: 0
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Flr: 0
WA:
N: 0
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Data output
Data output
Fig. 1
Fig. 2
Fig. 3
Fig. 4
End
Data summary
Measurement
Diagonal alignment/
BG check
Frontal view alignment
Ocular height adjustment
[BG check] verifies the alignment status. During the
check, from the upper to lower ends including [Mea-
surement window] are scanned. Verification results
appear in the display (see “ ■ 6-5 BG Check” ).