Instructions for Use (continued)
Adjust Values (continued)
Sphere
1. Activate the Sphere value field using one of the following two methods:
Using the Touch Screen
• Touch the S box in the main display area of the screen to activate the Sphere value eld for
both eyes.
• Touch the box to the left or right of the S box to activate the Sphere value eld for the
selected eye.
Using the Keypad
• Press the B button, and then press the S button to activate the Sphere value eld for both
eyes.
• Press the R or L button, and then press the S button to activate the Sphere value eld for the
selected eye.
Note: The data elds for the eye you are measuring are shown in white.
Note:
The Sphere value field is highlighted in yellow, indicating it is active.
Figure IU-13, Sphere Active Boxes
2. Turn the CONTROL KNOB to adjust the Sphere value by ±0.25 D each.
Note: Turn the Control Knob to the right to increase plus (+) Sphere value and to the left to
increase minus (-) Sphere value.
Note:
Press and turn the CONTROL KNOB (at the same time) to adjust the Sphere value by
±1.00 D per click stop.
3. Press the CONTROL KNOB to move to the next step.
60 16241-101 Rev. D
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