Topcon KR-1W - Specifications; Specification and Performance

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SPECIFICATIONS
SPECIFICATIONS
SPECIFICATION AND PERFORMANCE
Range of Refractory
Measurement
Range of Cornea Curvature
Measurement
Spherical refractive power: -25 - +22D (0.01D/0.12D/0.25D steps)
Cylindrical refractive power: 0D - ±10D (0.01D/0.12D/0.25D steps)
Direction of astigmatic axis: 0 - 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 - 10.00mm (0.01mm steps)
Corneal refractive power: 67.50 - 33.75D (0.01D/0.12D/0.25D
steps)
(where, corneal refractive power = 1.3375)
Corneal astigmatic power: 0D - ±10D (0.01D/0.12D/0.25D steps)
Direction of corneal astigmatic axis: 0 - 180° (1°/5° steps)
Cornea shape measurement range: 0.8mm - 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)
* For product improvements, these specifications are subject change without notice.
E
ssential Performance
T
he character shake of the picture on LCD
F
ailure operation and motor sound of a control lever