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Chart Options Default Settings

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Normal ranges for contrast sensitivity graphs are pre-defined according to manufacturers recommendations. If necessary they can be changed here.


Standard pupil diameters and extrapolation options for Zernike graphs can be set in the lower part of the chart options menu.




Starting from Version 4.07 Datagraph med supports the HACSS contrast sensitivity test. If set to 'HACSS' contrast graphs will have 5 frequencies starting from 1.5 cpd.