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Reading Performance and Eye Movement Patterns in Glaucoma
Mariana Chiba Ikeda1, André M V Messias2, Sérgio H Teixeira1
1Department of Ophthalmology and Visual Science, Glaucoma Service, Federal University of São Paulo.
Journal of Glaucoma
|June 23, 2026
Summary
Glaucoma patients show reduced reading speed due to more frequent eye saccades and fixations compared to healthy individuals. This study utilized eye-tracking to assess reading performance in glaucoma patients.
Area of Science:
- Ophthalmology
- Neuroscience
- Human Factors
Background:
- Glaucoma is a leading cause of irreversible blindness.
- Reading performance deficits may impact daily life for glaucoma patients.
- Eye-tracking offers objective measures of reading behavior.
Purpose of the Study:
- To compare reading performance in glaucoma patients versus controls using eye-tracking.
- To investigate the influence of contrast sensitivity and cognition on reading in glaucoma.
Main Methods:
- Cross-sectional study with 111 participants (57 glaucoma, 54 controls).
- Eye-tracking measured saccades and fixations during reading (Minnesota Low Vision Reading Test).
- Cognition (Montreal Cognitive Assessment) and contrast sensitivity were assessed.
Main Results:
- Glaucoma patients exhibited significantly slower reading speeds.
- Patients with glaucoma made more saccades and fixations than controls.
- No significant difference in cognitive function between groups.
Conclusions:
- Glaucoma negatively impacts reading performance, independent of age and education.
- Eye-tracking reveals specific oculomotor differences in glaucoma patients during reading.
- Reading impairments in glaucoma warrant further investigation and potential interventions.
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