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  • FAQ
  • Frequently asked questions

    The SAG has a simple diameter check across the profile of the lens.  The JCM on the other hand has the benefit of a full top view of the lens on a ‘V’ graticule, enabling full surface and edge inspection as well as precise diameter measurement.  This together with the JCMs ability to measure sagittal height is all achieved from a single position of the lens in the wet cell.  For more details please contact us.

    We are happy to carry out certified recalibration of the JCM and other Optimec instruments.  Usually this requires the return of the instrument to us, but we are able to offer calibration and servicing of your Optimec instruments at your site if required.  For more details please contact us.

    Soft contact lens materials expand and contract considerably with changes in temperature.  To achieve repeatability of lens measurements, maintaining the cell saline at a constant known temperature, is imperative.  The Optimec TC20i instrument allows for both filtration and temperature control of the saline in the wet cell.  The Optimec TSC3 filters and controls the temperature of the saline as well as reducing the bio burden by means of UV sanitisation. For more details please contact us.

  • Specification

  • Dimensions: Height 598mm, Width 334mm, Depth 385mm
    Weight: 17kg
    Power consumption: 15 watts
    Diameter range: 13 – 15mm
    Diameter accuracy: +/- 0.025mm
    Graticule increments: 0.1mm divisions
    Magnification diameter view: x17 approx
    Sagittal height range: 3.5-4.5mm
    Sagittal height accuracy: +/- 0.05mm
    Magnification sagittal view: x20 approx
    Consumables: 2 x 12V DC 6.6W LED light engines
    Calibration: Sagittal height test pieces, Diameter test pieces

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    Product: JCM

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      Lens Inspection

      Lens Diameter

      Lens Sagittal height

      Saline Filtration (with TC20i or TSC3)

      Saline Temperature Control (with TC20i or TSC3)

      Saline UV Sanitisation (with TSC3)

      The JCM soft contact lens inspection instrument has been designed principally to assist laboratories manufacturing moulded lenses. High rates of production require the sampling of lenses to be both rapid and accurate. This means minimum handling and settling time in the wet cell. We have achieved these aims with the JCM. A soft contact lens is placed in the cell and by switching between the two light sources an image of the contact lens is projected onto the screen to view either, side elevation (with overall lens height measurement and edge inspection), or diameter measurement and surface inspection. Both these measurements are made without moving the lens in the wet cell. The overall height scale is 3.5mm – 4.5mm however this scale can be extended to any range most suited to individual requirements. For temperature control within the cell we recommend use of the TC20i, or the TSC3 which gives the additional benefit of UV sanitisation.

      • Diameter Measurement
      • SAG Height Measurement
      • Surface and Edge Inspection
      • Fast Operation
      • TC20iTSC3 Compatible