39
OPERATING PROCEDURE: Corrected Visual Acuity Measurement (Subjective Refractive Error Measure-
3.5.1
Distance visual acuity measurement
1
Press the VA
button to display the corrected visual acuity measurement screen.
The 0.8 VA chart is presented to the
patient viewed with the corrective lens
selected according to the AR-measured
results
*1
.
AR-measured values
(*A)
and correc-
tive lens values
(*B)
(changeable) are
displayed on the screen.
2
Bring the patient’s eye into focus.
Bring the patient’s eye into focus in the same manner as AR/KM measurement.
3
Ask the patient whether the presented chart can be
read.
The presented chart is displayed on the screen.
4
According to the patient’s response, press the chart up
button or chart down
button to change the VA chart.
*1. A chart to be initially displayed can be selected by the “92. SUBJECT CHART” parameter. (The default setting is the 0.8 VA
chart.)
ᵏ
㹔㸿ࠉࠉࠉ㸸ࠉ㸮㸬㸶ࠉࠉ
㹔㸿ࠉࠉࠉ㸸ࠉ㸮㸬㸶ࠉࠉ㹑㸫ࠉ㸯
㹑㸫ࠉ㸯㸬㸰㸳
㸰㸳ࠉ㹑㸫ࠉ㸯
㹑㸫ࠉ㸯㸬㸰㸳
㸰㸳
㹊㹍㹕ࠉ㹁㸸㸫㸫㸫㸫ࠉࠉ
㹊㹍㹕ࠉ㹁㸸㸫㸫㸫㸫ࠉࠉ㹁㸫ࠉ㸮
㹁㸫ࠉ㸮㸬㸵㸳
㸵㸳ࠉ㹁㸫ࠉ㸮
㹁㸫ࠉ㸮㸬㸵㸳
㸵㸳
㹅㹊㸿㹐㹃㸸㸫㸫㸫㸫ࠉࠉ
㹅㹊㸿㹐㹃㸸㸫㸫㸫㸫ࠉࠉ㸿ࠉࠉࠉࠉࠉ㸰
㸿ࠉࠉࠉࠉࠉ㸰ࠉ㸿ࠉࠉࠉࠉࠉ㸰
㸿ࠉࠉࠉࠉࠉ㸰
㹌㹃㸿㹐ࠉ㸸㸫㸫㸫㸫ࠉࠉ
㹌㹃㸿㹐ࠉ㸸㸫㸫㸫㸫ࠉࠉ
9$
68%-(&7
63+
*B
*A
4 2 1
㻌 㻌
㻌 㻌 㻢 㻲
㻢 㻲
㻞 㻡 㻻
㻞 㻡 㻻 㻼 㻴
㻤 㻞 㼂 㻰 㻲
㻤 㻞 㼂 㻰 㻲
㻥 㻢 㻷 㻾 㻴
㻥 㻢 㻷 㻾 㻴
㻡 㻤 㻼 㻻 㻱
㻡 㻤 㻼 㻻 㻱
㻢 㻞 㻯 㻺 㻷
㻢 㻞 㻯 㻺 㻷
㻤 㻥 㻾 㻼 㻻
㻤 㻥 㻾 㻼 㻻
㻞 㻡 㻰 㻴 㼂
㻞 㻡 㻰 㻴 㼂
㻣 㻟 㻺 㼆
㻣 㻟 㻺 㼆
U
0.1
0.25
0.32
0.4
0.5
0.63
0.8
1.0
1.25
• To display the corrected visual acuity measurement screen automatically after AR measurement for
both the right and left eyes, set the “91. SUBJECT START” parameter.
ᵏ
㹔㸿ࠉࠉࠉ㸸ࠉ㸮㸬㸶ࠉࠉ
㹔㸿ࠉࠉࠉ㸸ࠉ㸮㸬㸶ࠉࠉ㹑㸫ࠉ㸯
㹑㸫ࠉ㸯㸬㸰㸳
㸰㸳ࠉ㹑㸫ࠉ㸯
㹑㸫ࠉ㸯㸬㸰㸳
㸰㸳
㹊㹍㹕ࠉ㹁㸸㸫㸫㸫㸫ࠉࠉ
㹊㹍㹕ࠉ㹁㸸㸫㸫㸫㸫ࠉࠉ㹁㸫ࠉ㸮
㹁㸫ࠉ㸮㸬㸵㸳
㸵㸳ࠉ㹁㸫ࠉ㸮
㹁㸫ࠉ㸮㸬㸵㸳
㸵㸳
㹅㹊㸿㹐㹃㸸㸫㸫㸫㸫ࠉࠉ
㹅㹊㸿㹐㹃㸸㸫㸫㸫㸫ࠉࠉ㸿ࠉࠉࠉࠉࠉ㸰
㸿ࠉࠉࠉࠉࠉ㸰ࠉ㸿ࠉࠉࠉࠉࠉ㸰
㸿ࠉࠉࠉࠉࠉ㸰
㹌㹃㸿㹐ࠉ㸸㸫㸫㸫㸫ࠉࠉ
㹌㹃㸿㹐ࠉ㸸㸫㸫㸫㸫ࠉࠉ
9$
68%-(&7
63+
㻌 㻌
㻌 㻌 㻢 㻲
㻢 㻲
㻞 㻡 㻻
㻞 㻡 㻻 㻼 㻴
㻤 㻞 㼂 㻰 㻲
㻤 㻞 㼂 㻰 㻲
㻥 㻢 㻷 㻾 㻴
㻥 㻢 㻷 㻾 㻴
㻡 㻤 㻼 㻻 㻱
㻡 㻤 㻼 㻻 㻱
㻢 㻞 㻯 㻺 㻷
㻢 㻞 㻯 㻺 㻷
㻤 㻥 㻾 㻼 㻻
㻤 㻥 㻾 㻼 㻻
㻞 㻡 㻰 㻴 㼂
㻞 㻡 㻰 㻴 㼂
㻣 㻟 㻺 㼆
㻣 㻟 㻺 㼆
U
0.1
0.25
0.32
0.4
0.5
0.63
0.8
1.0
1.25
Chart up
The patient could not read the chart.
A VA chart one level lower is presented.
Chart down
The patient could read the chart.
A VA chart one level higher is presented.
• When the “92. SUBJECT CHART” parameter is set to “ALL”, charts to be presented change as fol-
lows with button operation.
Chart up button
: ...
“0.25”
“0.1”
“<0.1”
“- - - - (All)”
“1.25”
“1.0”
...
Chart down button
: ...
“1.0”
“1.25”
“- - - - (All)”
“0.1”
“0.25”
...
Summary of Contents for ARK-1S
Page 1: ...AUTO REF KERATOMETER AUTO REF KERATOMETER ARK 1s ARK 1s OPERATOR S MANUAL OPERATOR S MANUAL ...
Page 6: ...IV ...
Page 76: ...70 OPERATING PROCEDURE Operation when Peripheral Devices are Connected ...
Page 112: ...106 SPECIFICATIONS AND TECHNICAL INFORMATION EMC Electromagnetic Compatibility ...