159
TEST METHOD
Astigmatism test
4
2
Enter CYL mode.
Cross cylinder lens switching button
Press the C button.
The cross cylinder axis is changed.
3
Press the cross cylinder lens switching but-
ton to set
“
±0.25/
ۑ
“
.
When the “Cross cylinder” parameter set-
ting is “±0.25D/
ۑ
“, the cross cylinder lens
does not need to be switched.
For AXIS, the minus cylinder axis is the
same and the 0.25 cross cylinder lens is
inserted.
4
Press
to insert and remove the cross cylinder lens and ask the patient which is
sharper. Adjust the astigmatism power by turning the dial until the chart is seen sharper
when the cross cylinder lens is removed.
(1) When the chart is seen sharper while the cross cylinder lens is inserted
1) Turn the dial clockwise one increment.
2) Press
to insert and remove the cross cylinder lens while turning the dial clockwise in
1 increments until the chart is seen sharper when the cross cylinder lens is removed.
When the cross cylinder lens is inserted
When the cross cylinder lens is removed
3) When the chart is seen sharper while the cross cylinder lens is removed, this test is fin-
ished.
(2) When the chart is seen sharper if the cross cylinder lens is removed
When the chart is seen more sharply when the lens is removed at the first, change the direc-
tion of the cross cylinder lens and make adjustments. (If in Procedure (1) above, after turn-
ing the dial to the right when the chart is seen more sharply without the cross cylinder lens
inserted, then the test is finished.)
1) Press
to change the direction of the lens.
2) Press
to insert and remove the cross cylinder lens while turning the dial counter-
clockwise in 1 increments until the chart is seen sharper when the cross cylinder lens is
removed.
161221687130 承認済
Uncontrolled copy when printed.
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 ...