Instrument Setup (continued)
Charts (continued)
Chart for Optotypes
If you select an optotype chart, the Chart Options dialog box appears.
Figure IS-31, Chart Options
Note: The Chart Options dialog box allows you to select the optotype size (using the + and -
icons) and change the direction and number of lines displayed. (Please refer to Figure
IS-31.)
• The OPEN BOX displays multiple lines of optotypes.
• The HORIZONTAL BAR displays a single line of horizontal optotypes.
• The VERTICAL BAR displays a single line of vertical optotypes.
• The SMALL SQUARE displays a single optotype.
• The RED/GREEN BOX displays a default chart with red/green lters.
Default Chart
The Default Chart selection allows the user to select an optotype or specific chart that is displayed at the
beginning of each patient refraction.
Selecting a Default Chart
1. Touch DEFAULT CHART in the Charts screen.
2. Touch the optotype or type of chart screen icon you want to use in the available charts section.
Note: The Chart Options dialog box displays if you are using letters, numbers, or some other
optotype. (Please refer to Figure IS-31.)
3. Touch OK to save the Default Chart options.
Prism Default Charts
The Prism Default Charts selections allow the user to select the default charts that display when
checking for horizontal and vertical prism alignment, and when using Polar coordinates.
Note: Please follow the instructions in the Selecting a Default Chart section of this guide to select
the default charts for the horizontal (H/POLAR) and vertical (V) prism alignment. If Polar
Coordinates are selected for Prism adjustments, only the H/Polar chart is displayed.
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16241-101 Rev. D
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