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Autorefkeratometer
An autorefkeratometer is used to analyze the curvature of the anterior surface of the cornea and to timely detect eye diseases such as keratoconus. Also, the device is used in the selection and determination of the optical power of contact lenses: it helps to diagnose the eyes and select lenses with suitable parameters.
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Shvabe Description
Spherical refraction (SPH), D –20.00 ~ +20.00
Cylindrical refraction (CYL), D 0.00 ~ ± 10.00
Axis (AX), degrees 0 - 180
Interpupillary distance (PD) mm 45 ~ 85
Minimum pupil diameter, mm Ø 2.0
Curvature radius, mm 5.0 ~ 10.2
Corneal refraction, D 33.00 ~ 67.50
Corneal astigmatism, D 0.0 ~ 8.00
Cylindrical refraction (CYL), D 0.00 ~ ± 10.00
Axis (AX), degrees 0 - 180
Interpupillary distance (PD) mm 45 ~ 85
Minimum pupil diameter, mm Ø 2.0
Curvature radius, mm 5.0 ~ 10.2
Corneal refraction, D 33.00 ~ 67.50
Corneal astigmatism, D 0.0 ~ 8.00