Topograher Model E300

  • Rapid and precise computer aided image capture
  • Superior performance through advanced image analysis
  • Precise resolution over large area of coverage
  • High capacity patient database with immediate access to stored results


Map Displays:

  • Tangential curvature/power
  • Axial curvature/power
  • Height
  • Elevation from sphere
  • Refractive power
  • Ray error


Wavefront Error

  • Contact lens fitting:
  • Multicurve
  • Aspherics
  • Conics
  • Keratoconic designs
  • Custom surfaces


Shape Descriptors:

  • Astigmatism measurement
  • E, p, q, e2 values


Global indices:

  • Sai
  • Sri
  • I-s value

Regression Analysis


User Defined Attributes


Microsoft Windowstm based Software:

  • Inter/intra network compatible linkage to external databases


PUPIL, IRIS, HVID Measurement

Technical Specifications

  • Coverage: Diameter 0.25mm – 11mm
  • Field of view: 11 mm h x 11mm v
  • Power range: 10 -100 diopters
  • Number of rings: 32
  • Measurement points: 15, 120
  • Optical working distance: 65mm
  • Repeatability: test object < 0.1 diopters
  • Footprint: width: 320 mm
  • Depth: 400mm
  • Height: 430mm +/- 15mm stroke
  • Weight: 5.5kg (unit only)
  • Power requirements: 12v 500ma dc supplied via pc
  • Pc min requirements: compliant to iec 60950 and powered via medical isolation transformer
  • Pentinum iv, 1ghz, 512 mb ram, 80gb hd, 2 x usb2 ports*, windows 2000 xp, cd or dvd. 17” monitor.
  • Printer: complaint to iec 60950, bubblejet / laser, color / black & white
  • Back up: cd rom/dvd/ external hard drive etc.
  • Contact lens database: comprehensive contact lens and ortho-k lens database standard.

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