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Spatial remapping improves reading with simulated central field loss
Colin S Flowers1,2, Arda Fidanci1,3, Gordon E Legge1,4,5
1Department of Psychology, University of Minnesota, Minneapolis, MN, USA.
Journal of Vision
|April 17, 2026
Summary
Spatial remapping technology can improve reading speed for individuals with central field loss (CFL). Customizing text shifts based on scotoma shape further enhances reading performance.
Area of Science:
- Ophthalmology
- Human-Computer Interaction
- Visual Neuroscience
Background:
- Central field loss (CFL) significantly impairs reading ability.
- Spatial remapping aims to move text to functioning visual areas.
Purpose of the Study:
- To evaluate the effectiveness of spatial remapping for reading with simulated central field loss.
- To determine if scotoma-shape-customized remapping offers additional reading speed benefits.
Main Methods:
- Typically sighted participants read sentences using simulated scotomata.
- Six text remapping strategies and three scotoma shapes were tested.
- Reading speed was compared across remapping conditions and a no-remapping control.
Main Results:
- All participants showed faster reading with at least one remapping strategy compared to no remapping.
- An average reading speed improvement of 23.80% was observed.
- Optimal remapping strategy was dependent on the simulated scotoma's shape.
Conclusions:
- Spatial remapping significantly enhances reading speed in the presence of simulated central field loss.
- Customizable spatial remapping, tailored to scotoma shape, is crucial for maximizing reading benefits.
- This technology holds promise for aiding reading in patients with central field loss.
