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Related Experiment Video

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Multifocal Electroretinograms
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Test-retest repeatability of the pattern electroretinogram and flicker electroretinogram.

Arthur F Resende1, Carina T Sanvicente1, Hamoon Eshraghi2

  • 1Glaucoma Research Center, Wills Eye Hospital, 840 Walnut Street, Suite 1140, Philadelphia, PA, 19107, USA.

Documenta Ophthalmologica. Advances in Ophthalmology
|July 18, 2019
PubMed
Summary
This summary is machine-generated.

The Neuro Optic Vision Assessment (NOVA)™ platform demonstrates good-to-excellent repeatability for pattern electroretinogram (PERG) and flicker electroretinogram (Flicker ERG) tests in healthy subjects. These vision assessment protocols are reliable for clinical use.

Keywords:
ElectrophysiologyFlicker electroretinogramReference databaseRepeatabilitySteady-state pattern electroretinogram

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Medical Technology

Background:

  • The Pattern Electroretinogram (PERG) and Full-Field Flicker Electroretinogram (Flicker ERG) are crucial for assessing retinal function.
  • Evaluating the test-retest repeatability of these electroretinography (ERG) protocols is essential for their reliable clinical application.
  • The Neuro Optic Vision Assessment (NOVA)™ platform offers an office-based solution for vision testing.

Purpose of the Study:

  • To assess the test-retest repeatability of steady-state PERG and Flicker ERG protocols using the NOVA™ platform in healthy individuals.
  • To establish reference values for PERG and Flicker ERG parameters in a healthy population.
  • To investigate the influence of age on PERG and Flicker ERG responses.

Main Methods:

  • Healthy participants underwent PERG (16° and 24°) and Flicker ERG (fixed luminance and multi-luminance) testing.
  • Intra-class correlation coefficients (ICCs) were calculated to determine test-retest repeatability.
  • Linear regression analysis was used to evaluate the impact of age on ERG parameters.

Main Results:

  • PERG protocols showed good-to-excellent repeatability with ICCs ranging from 0.793 to 0.911.
  • Flicker ERG protocols exhibited excellent repeatability, with ICCs from 0.968 to 0.994.
  • Age significantly affected all PERG parameters and specific Flicker ERG parameters (magnitude and phase), indicating age-related changes in retinal function.

Conclusions:

  • The office-based NOVA™ platform provides good-to-excellent test-retest repeatability for PERG and Flicker ERG protocols.
  • These ERG protocols are reliable when administered consecutively in the same order.
  • The findings support the clinical utility of the NOVA™ platform for objective vision assessment.