Topcon KR-1W - Page 203

201
TERMINOLOGY
Term Description Page
Corneal aberration map
(analysis result display
map)
Corneal aberration map displays the corneal aberration
obtained from Mire image and cornea form with color
code map.
Displays also corneal index (corneal form index) and
RMS of corneal aberration of Zernike polynominal equa
-
tion.
82,104
Corneal coordinate value By tapping the enlarged map of analysis result, distance
and angular direction from cornea center are displayed.
95
Corneal display Display related to cornea. 85,143
Corneal HOA map Color code map displaying the corneal high order aberra-
tion calculated by Zernike polynominal equation.
79,105
Corneal Index Corneal form index.
Displays refractive power and eccentricity (aspheric
degree) of flat/steep meridian of 3mm area on the cor
-
nea.
83
Corneal RMS Root mean square of corneal aberration obtained from
Mire image.
83
Corneal R-L Map (Analy-
sis Result Display Map)
The Corneal R-L map displays the corneal aberration and
cornea shape of both eyes obtained from the Cornea
Mire map.
92
Corneal spherical
aberration
A type of corneal high order aberration. Corneal spherical
aberration.
Spherical aberration of the 4th order of Zernike polynomi-
nal equation (0 term).
88
Cross Scale KR-1W can display cross scale on measurement result
map.
94,147,
148,150
Cyl Astigmatic axial power, meaning cylindrical refractive
power (ocular) and corneal astigmatic power (cornea).
105
D/mm Display Change Display unit of measured Kerato value can be changed
between D (diopter, corneal refractive power) and mm
(corneal curvature radius).
144
DATA OUT button Function button on the measurement screen of main
body. In KR-1W, this is used for printing measurement
result by internal printer, or for transmitting data via net
-
work.
17
Diameter Pupil diameter. 104
Distance Map center
(mm)
Information is displayed by tapping the enlarged map.
"Distance Map Center (mm)" shows the distance (mm) of
tap position from pupil center.
95
Distance Map Center To
Pupil Center
Information is displayed by enlarging the map.
"Axis Map Center To Pupil Center (mm)" shows the dis-
tance (mm) of pupil center (from map center).
95
Drag Operation to touch and move finger on screen. 13
e value Eccentricity indicating aspheric degree. 83