164
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATION AND PERFORMANCE
Range of Refractory
Measurement
Range of Cornea Curvature
Measurement
Spherical refractive power: -25 to +22D (0.01D/0.12D/0.25D
steps)
Cylindrical refractive power: 0D to
±
10D (0.01D/0.12D/0.25D
steps)
Direction of astigmatic axis: 0 to 180
°
(1
°
/5
°
steps)
(where, spherical refractive power + cylindrical refractive
power
≤
+22D, or spherical refractive power + cylindrical
refractive power
≥
-25D)
Measurement range: 8mm (max.)
Measured minimum pupil diameter: 2mm
Cornea curvature radius:5.00 to 10.00mm(0.01mm steps)
Corneal refractive power:67.50 to 33.75D(0.01D/0.12D/0.25D
steps)
(where, corneal refractive power =1.3375)
Corneal astigmatic power: 0D to
±
10D (0.01D/0.12D/0.25D
steps)
Direction of corneal astigmatic axis: 0 to 180
°
(1
°
/5
°
steps)
Cornea shape measurement range: 0.8mm to 9.2mm
(where, cornea curvature radius=8mm)
Range of PD Measurement
20-85mm (1mm display units)
External connection terminal
USB (input/output, output), RS-232C (output),
LAN (input/output)
Essential Performance
The character shake of the picture on LCD
Failure operation and motor sound of a control lever
* For product improvements, these specifications are subject change without notice.
Summary of Contents for KR-1W
Page 1: ...INSTRUCTION MANUAL WAVE FRONT ANALYZER KR 1W ...
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Page 188: ...KR 1W WAVE FRONT ANALYZER 41835 97992 Printed in Japan 2010 02 100LW2 ...