Appearance of
chart
Phoria
Correction
Both hands angled
uniformly
Functional
cyclophoria
Dysfunction of extraocular muscle is
suspected. Correction with glasses is not
possible.
One hand angled
Optical
cyclophoria
This may occur at the time of oblique
astigmatism correction or due to optical
cause.
• Reduce the cylindrical power.
• Bring the cylindrical axis close to the
horizontal or vertical direction.
Hands shifted to up-
per right
Esophoria
+
Left eye
hyperphoria
Horizontal phoria: Turn the dial clockwise
until the vertical hands
point to the middle of the
scale to add the BO prism
powers.
Vertical phoria: Press [
]. Turn the dial
clockwise until the
horizontal hands point to
the middle of the scale.
195
TEST METHOD
Binocular Visual Function Test
4
161221687130 承認済
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Содержание RT-5100
Страница 12: ...X 161221687130 承認済 Uncontrolled copy when printed ...
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 ...