Duochrome split

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A duochrome split may be superimposed on the LogMAR and Snellen charts as shown below. In LogMAR mode

Test Chart 2016 automatically removes the central letter in each row which would otherwise be bisected by the duochrome split.



Summary


Mouse

Select the corresponding button in the toolbar



Keyboard

U toggles the duochrome split ON and OFF

Remote

U toggles the duochrome screen On and OFF