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COMPONENT NAMES AND FUNCTIONS
• Function buttons in cross cylinder test
Function buttons in phoria test
The following tables show the buttons which will be displayed while the phoria test is being executed.
Sometimes any of these buttons is not displayed due to the type of the phoria test being executed or
the target being used.
• Function buttons in far point phoria test
Example of display Contents
F4 /
Changes the type of the cross cylinder lens, [Jackson
cross cylinder] or [Topcon cross cylinder], for the cross
cylinder test.
F5 /
Changes the [Smart] mode and [Manual] mode for the
cross cylinder test.
F6 / Changes the axis and degree for the cross cylinder test.
F7
Displays the power of the current cross cylinder.
Touch the button, and the power is changed, "0.25 →
0.50".
Example of display Contents
F6
Touch this button, and the Sheard’s criteria test is exe-
cuted.
When heterophoria is measured in the horizontal phoria
test, the button is valid.
F7
This button is displayed when the phoria test targets
applicable to the prism simulation are indicated on the
TOPCON liquid crystal visual acuity chart (PC-50).
Touch this button, and the prism simulation mode is
accessed.
[Shift] + F6
This button is displayed when the far point horizontal
phoria test of prism separation method (Von Grafe) is
being executed.
Touch this button, and the far point prism refractive
power for the left eye is set to "10P BI".
This button is displayed when the far point vertical phoria
test of prism separation method (Von Grafe) is being
executed. Touch this button, and the far point prism
refractive power for the right eye is set to "6P BU".
[Shift] + F7
This button is displayed when the far point horizontal
phoria test of prism separation method (Von Grafe) is
being executed.
Touch this button, and the far point prism refractive
power for the left eye is set to "15P BI".
This button is displayed when the far point vertical phoria
test of prism separation method (Von Grafe) is being
executed. Touch this button, and the far point prism
refractive power for the right eye is set to "10P BU".
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