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Comparison of 2 swept-source optical biometers: IOLMaster 700 vs. Revo FC 130.

A Ortiz1, E García2, J Ortega2

  • 1Departamento de Segmento Anterior, Centro Especializado en Oftalmología Aljaorza (CEOA), Machala, El Oro, Ecuador; Centro Especializado en Oftalmología Aljaorza (CEOA), Machala, El Oro, Ecuador; Universidad Católica Santiago de Guayaquil (UCSG), Clínica Internacional de la Visión (CIVE), La Aurora, Daule, Ecuador.

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|September 7, 2025
PubMed
Summary
This summary is machine-generated.

The IOLMaster 700 and Revo FC 130 optical biometers show minor differences in cataract patient measurements. Keratometry readings vary significantly, suggesting the devices should not be used interchangeably.

Keywords:
Axial lengthBiometryBiometríaCatarataFacoemulsificaciónOptical coherence tomographyPhacoemulsificationTomografía de coherencia óptica

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Area of Science:

  • Ophthalmology
  • Medical Devices
  • Biometry

Background:

  • Cataract surgery requires precise biometry for accurate intraocular lens (IOL) power calculation.
  • Swept-source optical biometry offers advanced measurement capabilities for ocular structures.

Purpose of the Study:

  • To compare the measurement accuracy of two swept-source optical biometers: IOLMaster 700 and Revo FC 130.
  • To assess the clinical relevance of differences in biometry readings between the devices in cataract patients.

Main Methods:

  • A prospective, observational study involved 279 cataract patients (504 eyes) older than 40.
  • A single operator performed measurements using both IOLMaster 700 and Revo FC 130.
  • Cataract severity was graded using the Lens Opacities Classification System III.

Main Results:

  • Statistically significant differences were observed in keratometry, white-to-white distance, and lens thickness between the two devices.
  • Axial length and anterior chamber depth measurements showed no clinically relevant differences.
  • No significant differences were found within IOLMaster 700 measurements for total mean keratometry and mean keratometry.

Conclusions:

  • While most biometric parameters showed no clinically significant variations, differences in keratometry readings are notable.
  • The IOLMaster 700 and Revo FC 130 should not be used interchangeably due to observed discrepancies, particularly in keratometry.
  • Further investigation may be warranted to understand the clinical impact of these variations on IOL power calculations.