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Quantifying Gaze Tracking for Visual Field Reliability Estimation. A Systematic Review.
Summary
Quantitative metrics from gaze tracking (GT) show promise for improving visual field (VF) test reliability, especially with SITA Standard testing. Further research is needed to explore AI
Area of Science:
- Ophthalmology
- Visual Science
- Medical Technology
Background:
- Visual field (VF) testing is crucial for diagnosing and monitoring eye conditions.
- Evaluating the reliability of VF test results is essential for accurate clinical interpretation.
- Automated perimeters generate data, including gaze tracking (GT) outputs, that may offer insights into test reliability.
Purpose of the Study:
- To systematically review the literature on the use of quantitative metrics from gaze tracking (GT) during automated visual field (VF) testing.
- To determine if GT metrics can enhance the evaluation of VF test reliability.
Main Methods:
- A systematic search of major biomedical databases (PubMed, Cochrane, LILACS, IBECS) was performed up to August 31, 2024.
- Included studies analyzed quantitative metrics derived from GT outputs during VF testing.
- Studies were categorized by the testing strategy employed (SITA Standard, Fast, Faster).
Main Results:
- Eight studies (3,687 patients, 8,181 VF tests) were included.
- In SITA Standard testing, GT parameters correlated with VF reproducibility and glaucoma structure-function relationships, though influenced by ocular surface factors.
- Results for SITA Fast/Faster were mixed; some studies indicated GT metrics could supplement existing reliability measures, while others found no significant added clinical value.
Conclusions:
- Quantitative analysis of GT traces shows potential as an objective reliability parameter for VF testing, particularly with the SITA Standard strategy.
- Future research should focus on automated quantification of GT parameters using advanced techniques like artificial intelligence.
- Evaluating the impact of these advanced metrics on VF data reliability and clinical decision-making is warranted.
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