ViewLight UNICOS UDR-800P - Vertical Coincidence Test; Vertical Coincidence Procedure

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Chart Shape Heterophoria Type Correction of Heterophoria
Esophoria
Turn the dial clockwise (- direction) to
increase the value of BO prism, until
the cross locates in the middle of the
circle.
Exophoria
Turn the dial counterclockw
ise (+
direction) to increase the value of BI
prism, until the cross locates in the
middle of the circle.
Left Hyperphoria
Press Vertical Prism button and turn
the dial clockwise (-
direction) until
the cross locates in the middle of the
circle.
Right Hyperphoria
Press Vertical Prism button and turn
the dial counterclockwise (+ direction)
until the cross locates in the middle of
the circle.
[Table 10-2] Interpretation of Schober Test Result