203
TERMINOLOGY
Term Description Page
K value Kerato measurement value. 87
Limit Message Displayed with icon when measuring head reaches the
limit of movement. To clear the message, move measur
-
ing head by control lever.
44
Luminous Point Index for performing auto alignment. 43
Machine No. Instrument No. 16
Marker Overlay The angle of the tap position with regard to the flat merid-
ian (black) is displayed. Also, the steep meridian is dis-
played in gray.
101
Measurement Data List Button on the measurement screen of main body. In KR-
1W, Ref/Kerato measurement values are displayed in list
form.
70
Measurement Result List
screen
List of measurement results can be confirmed. 74
Mire Image Image taken by CCD camera by projecting ring beam
from Placido ring to patient.
79,96
mm Grid scale KR-1W can display grid on maps of measurement
results.
96,147,
148,150
MTF Image Short for Modulation Transfer Function, showing the con-
trast sensitivity of eye having aberration.
89,110
MTF Image Graph Graph showing the sensitivity calculated by MTF along
vertical axis and the space frequency along horizontal
axis, and featuring curves' performance which increases
towards upper right and decreases towards lower left.
89,110
Multi Map (analysis result
display map)
Displays the analysis result obtained by Hartmann image
and Mire image.
79
Normalized A type of color code scale of analysis result.
For KR-1W, three types of scales, absolute/adjustable/
normalized are available.
"Normalized" is a relative scale with automatically
selected color code center value and display step.
149
Ocular Display related to eyeball. 85,143
Ocular HOA map High order aberration of the ocular aberration obtained
from Hartmann image.
86
Ocular R-L Map (Analysis
Result Display Map)
The Ocular R-L map displays the Hartmann image, ocu-
lar high order aberration map, Landolt's simulation, mea-
surement values, etc. of both eyes.
93
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