171
TEST METHOD
Binocular Visual Function Test
4
5
Ask the patient, “Is the top bar shifted to the left or right?”
Right
Esophoria
Left
Exophoria
6
Ask the patient, “Do the horizontal bars line up?”
Yes
No hyperphoria nor hypophoria
No
Hyperphoria or hypophoria
When a cross is not formed, correct it as follows:
Appearance of
chart
Phoria
How to correct phoria
<1>
Esophoria
Turn the dial clockwise to add the BO prism powers until
a cross is formed.
<2>
Exophoria
Turn the dial counterclockwise to add the BI prism
powers until a cross is formed.
<3>
Left eye
hyperphoria
Press
. Turn the dial clockwise until a cross is
formed. (Add BU to the right eye and BD to the left eye.)
<4>
Right eye
hyperphoria
Press
. Turn the dial counterclockwise until a
cross is formed. (Add BD to the right eye and BU to the
left eye.)
<5>
Esophoria
+
Right eye
hyperphoria
Correct the horizontal phoria in the same manner as for
<1> and the vertical phoria in the same manner as for
<4>.
<6>
Esophoria
+
Left eye
hyperphoria
Correct the horizontal phoria in the same manner as for
<1> and the vertical phoria in the same manner as for
<3>.
<7>
Exophoria
+
Right eye
hyperphoria
Correct the horizontal phoria in the same manner as for
<2> and the vertical phoria in the same manner as for
<4>.
<8>
Exophoria
+
Left eye
hyperphoria
Correct the horizontal phoria in the same manner as for
<2> and the vertical phoria in the same manner as for
<3>.
• The rotary prism lenses are removed from the measuring windows when the already
selected button is pressed again in prism mode.
ex.When
is pressed in the base in/out prism, the rotary prism lenses are removed.
• Use
or
instead of the dial for fine adjustment.
• When the prism power is added, the prism power can be added in 0.5 D increments by
adding the prism power for single-eye compared to both eyes.
Dial 1.0
0.5
,
0.2
0.1
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Содержание RT-5100
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Страница 18: ... XVI 161221687130 承認済 Uncontrolled copy when printed ...
Страница 46: ...28 BEFORE USE Getting Started and Exiting 161221687130 承認済 Uncontrolled copy when printed ...
Страница 226: ...208 TEST METHOD Visual Acuity Test by ETDRS chart 161221687130 承認済 Uncontrolled copy when printed ...
Страница 274: ...256 MAINTENANCE List of Replacement Parts 161221687130 承認済 Uncontrolled copy when printed ...
Страница 302: ...284 EMC ELECTROMAGNETIC COMPATIBILITY 161221687130 承認済 Uncontrolled copy when printed ...