Gestefeld, Birte; Marsman, Jan-Bernard; Cornelissen, Frans W.: How Free-Viewing Eye Movements Can Be Used to Detect the Presence of Visual Field Defects in Glaucoma Patients. In: Frontiers in Medicine. Jg.8. 2021
Inhalt
- Exploiting Naturally Occurring Eye Movements to Monitor the Occurrence of VFD
- Experiment 1: Monocular Eye Movements Under Free-Viewing Conditions of Glaucoma Patients Compared to Those of Normal Sighted Observers
- Methods
- Summary
- Participants
- Procedure
- Stimulus Presentation and Eye Tracking
- Selection of the Video Clips
- Data Analysis
- Comparison of Directional Saccade Amplitudes of Glaucoma Patients and Controls
- Viewing Priority
- Comparison of the Spatial Distribution of Eye Movement Features in the Visual Field Between Groups
- Reconstructing the VFD Based on the Spatial Distribution of Eye Movement Features in the Visual Field
- Statistical Testing
- Results
- Basic Eye Movement Features
- Comparison of Directional Saccade Amplitudes Between Patients and Controls
- Viewing Priority
- Spatial Distribution of Eye Movement Features in the Visual Field Used to Distinguish Between Patients and Controls
- Spatial Distribution of Eye Movement Features in the Visual Field Used to Reconstruct the VFD
- Correlation Between the Measured Sensitivity by the HFA and the Fixation Frequency
- Experiment 2: Binocular Eye Movements Under Free-Viewing Conditions of Glaucoma Patients Compared to Those of Normal Sighted Observers
- Methods
- Eye Movement Data Analysis
- Fixations and Saccades in Visual Field Coordinates
- Basic Eye Movement Features
- Comparison of Directional Saccade Amplitudes of Glaucoma Patients and Controls
- Viewing Priority
- Comparison of the Spatial Distribution of Eye Movement Features in the Visual Field Between Groups
- Reconstructing the VFD Based on the Spatial Distribution of Eye Movement Features in the Visual Field
- Results
- Basic Eye Movement Features
- Comparison of Directional Saccade Amplitudes Between Patients and Controls
- Viewing Priority
- Spatial Distribution of Eye Movement Features in the Visual Field Used to Distinguish Between Patients and Controls
- Spatial Distribution of Eye Movement Features in the Visual Field Used to Reconstruct the VFD
- Discussion
- Detecting a VFD Requires Monocular Viewing
- Detecting a VFD Under Free-Viewing Conditions Requires Suitable Video Content
- Usability of Current Eye-Tracking Technology in Elderly and Clinical Populations
- Using Virtual Reality and Mobile Eye Tracking During Daily Life Activities Instead of a (Small) Screen Could Improve the Separability of Patients and Controls
- VP May Correlate More Strongly With Functional Vision Than the Severity of the VFD Defined by the MD Value
- Future Studies
- Conclusion
- Data Availability Statement
- Ethics Statement
- Author Contributions
- Funding
- Acknowledgments
- Supplementary Material
- References