Topcon TRK-2P - Specifications and Performance

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SPECIFICATIONS AND PERFORMANCE
SPECIFICATIONS AND PERFORMANCE
SPECIFICATIONS AND PERFORMANCE
REF measurement
Measurement
Range
Spherical refractive power:
-30D to +25D(Display unit: 0.12D/0.25D steps)
Cylindrical refractive power:0D to ±12D (Display unit: 0.12D/0.25D steps)
Direction of astigmatic axis:0° to 180° (Display unit: 1°/5° steps)
(where, spherical refractive power + cylindrical refractive power +25D, or
spherical refractive power + cylindrical refractive power -30D)
Measured minimum
pupil diameter
2.0mm
PD measurement
range
20 to 85mm (1mm steps)
Target fixation Auto fog system
KRT measurement
Measurement
Range
Cornea curvature radius: 5.00mm to 13.00mm (Display unit: 0.01mm)
Corneal refractive power: 67.50D to 25.96D (Display unit: 0.12D/0.25D
steps)
(where, corneal refractive power =1.3375)
Corneal astigmatic power: 0D to ±12D (Display unit: 0.12D/0.25D steps)
Direction of corneal astigmatic axis: 0° to 180° (Display unit: 1°/5° steps)
Ocular pressure measurement
Measuring range 1mmHg to 60mmHg
(Display unit: 1mmHg step display, Average value: 1mmHg/0.1mmHg
step display)
Measuring range 1 to 30mmHg/1 to 60mmHg, 2 step display
Cornea thickness measurement
Measuring range 0.400mm to 0.750mm (Display unit: 0.001mm step display)
NOTE
Essential performance
• Measurement must be performed correctly.
• Monitor screen display must not be distorted.