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Related Experiment Videos

Comparison of partial coherence interferometers: Acmaster versus laboratory prototype.

Katharina Kriechbaum1, Christina Leydolt, Oliver Findl

  • 1Department of Ophthalmology, Medical University of Vienna, Vienna, Austria.

Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|October 26, 2006
PubMed
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The ACMaster device offers precise anterior segment biometry with excellent reproducibility, similar to its prototype. However, some measurement artifacts were noted in pseudophakic eyes.

Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Optical Metrology

Background:

  • Accurate anterior segment biometry is crucial for ophthalmic procedures.
  • Partial coherence interferometry (PCI) offers high precision for these measurements.

Purpose of the Study:

  • To evaluate the precision and clinical performance of the commercial ACMaster device.
  • To compare the ACMaster's biometry measurements against its laboratory prototype.

Main Methods:

  • Anterior segment biometry was performed on 20 phakic and 44 pseudophakic eyes using both the ACMaster and a PCI laboratory prototype.
  • Measurements included central corneal thickness, anterior chamber depth, and lens thickness (in phakic eyes).

Main Results:

Related Experiment Videos

  • Excellent consistency in measurements was observed between the ACMaster and the prototype in both phakic and pseudophakic eyes.
  • The ACMaster exhibited typical measurement artifacts in pseudophakic eyes, occasionally complicating the identification of the intraocular lens surface.

    • Conclusions:

    • The ACMaster is a user-friendly device for axial anterior segment biometry using PCI.
    • Its measurement reproducibility is comparable to the original laboratory prototype, despite occasional artifacts in pseudophakic eyes.