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Comparison of Agreement and Accuracy using Binocular Wavefront Optometer with Autorefractor and Phoropter
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Comparison of two partial coherence interferometry devices for ocular biometry.

Z Liampa1, M Kynigopoulos, G Pallas

  • 1Department of Retinology, Klinik Pallas, Olten, Switzerland.

Klinische Monatsblatter Fur Augenheilkunde
|April 22, 2010
PubMed
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This summary is machine-generated.

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The Lenstar LS 900 biometry device shows high repeatability for eye measurements. Its results closely correlate with the established IOLMaster, indicating reliable axial length and corneal curvature data.

Area of Science:

  • Ophthalmology
  • Biometry
  • Optical Measurement Devices

Background:

  • Assessing the repeatability of the Lenstar LS 900 biometry device.
  • Comparing Lenstar LS 900 measurements with the IOLMaster device.

Purpose of the Study:

  • To estimate the repeatability of Lenstar LS 900 biometry parameters.
  • To compare Lenstar LS 900 measurements with IOLMaster measurements.

Main Methods:

  • 145 eyes measured using Lenstar LS 900 (axial length, corneal curvature, anterior chamber depth, central corneal thickness, lens thickness).
  • IOLMaster used for axial length, corneal curvature, and anterior chamber depth measurements.
  • Repeatability coefficients, coefficients of variation, Bland-Altman plots, and regression analysis were employed.

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Doppler Optical Coherence Tomography of Retinal Circulation
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Doppler Optical Coherence Tomography of Retinal Circulation
10:46

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Published on: September 18, 2012

Main Results:

  • Axial length was the most repeatable parameter; lens thickness was the most variable.
  • High correlation between Lenstar LS 900 and IOLMaster for axial length (0.999) and corneal curvature (0.983).
  • Anterior chamber depth showed a significant correlation (0.925) with minimal difference (0.2 mm).

Conclusions:

  • Lenstar LS 900 measurements demonstrate high repeatability.
  • Lenstar LS 900 measurements highly correlate with IOLMaster measurements, validating its use in ophthalmic biometry.