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The Nidek MK-2000 microkeratome system.

D J Schumer1, H S Bains

  • 1Revision Advanced Laser Eye Center, Columbus, Ohio, USA. schumer@revisioneyes.com

Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|April 24, 2001
PubMed
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The Nidek MK-2000 microkeratome is safe for laser in situ keratomileusis (LASIK) procedures. It consistently creates corneal flaps of predictable thickness, minimizing complications during surgery.

Area of Science:

  • Ophthalmology
  • Surgical Technology
  • Corneal Surgery

Background:

  • Laser in situ keratomileusis (LASIK) is a common refractive surgery.
  • Accurate corneal flap creation is crucial for LASIK outcomes.
  • Microkeratome performance directly impacts flap characteristics.

Purpose of the Study:

  • To evaluate the flap thickness accuracy of the Nidek MK-2000 microkeratome.
  • To assess the safety and performance of the Nidek MK-2000 during LASIK.
  • To analyze flap characteristics using different depth plates and model numbers.

Main Methods:

  • Subtractive pachymetry was used to measure flap depth in 370 eyes.
  • The Nidek MK-2000 microkeratome, with 130-µm and 160-µm depth plates, was utilized.

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  • Microkeratome-induced complications were systematically recorded.

    • Main Results:

    • No buttonhole or free flaps were observed.
    • One short flap and two instances of suction loss occurred.
    • Mean flap thicknesses ranged from 129 ± 21.8 µm to 173 ± 26.9 µm, depending on the model and depth plate.

    Conclusions:

    • The Nidek MK-2000 microkeratome demonstrates a high safety profile.
    • The device produces corneal flaps with predictable and reliable thickness.
    • This microkeratome is suitable for LASIK procedures requiring precise flap creation.