ArticleTranslational vision science & technology2018
Reducing Spatial Uncertainty Through Attentional Cueing Improves Contrast Sensitivity in Regions of the Visual Field With Glaucomatous Defects.
Article in Translational vision science & technology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.
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Who cites it
14 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Visual field defects in dementia: A scoping review.Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) · 2025Pooled it
- The Frontloading Fields Study: The Impact of False Positives and Seeding Point Errors on Visual Field Reliability When Using SITA-Faster.Translational vision science & technology · 2022Article
- Benefits of Endogenous Spatial Attention During Visual Double-Training in Cortically-Blinded Fields.Frontiers in neuroscience · 2022Article
- The Frontloading Fields Study (FFS): Detecting Changes in Mean Deviation in Glaucoma Using Multiple Visual Field Tests Per Clinical Visit.Translational vision science & technology · 2021Article
- Comparison of the SITA Faster-a new visual field strategy with SITA Fast strategy.International journal of ophthalmology · 2021Article
- Comparative Study Between the SORS and Dynamic Strategy Visual Field Testing Methods on Glaucomatous and Healthy Subjects.Translational vision science & technology · 2020Article
- Validation of a novel functional test for assessing metamorphopsia using epiretinal membranes as a model.Scientific reports · 2020Article
- Are you sure? The relationship between response certainty and performance in visual detection using a perimetry-style task.Journal of vision · 2020Article
- The Human Touch: Using a Webcam to Autonomously Monitor Compliance During Visual Field Assessments.Translational vision science & technology · 2020Article
- Optimising the Structure-Function Relationship at the Locus of Deficit in Retinal Disease.Frontiers in neuroscience · 2019Article
- Neutralizing Peripheral Refraction Eliminates Refractive Scotomata in Tilted Disc Syndrome.Optometry and vision science : official publication of the American Academy of Optometry · 2018Article
- Differences in Static and Kinetic Perimetry Results are Eliminated in Retinal Disease when Psychophysical Procedures are Equated.Translational vision science & technology · 2018Article
- A Method Using Goldmann Stimulus Sizes I to V-Measured Sensitivities to Predict Lead Time Gained to Visual Field Defect Detection in Early Glaucoma.Translational vision science & technology · 2018Article
- Application of Pattern Recognition Analysis to Optimize Hemifield Asymmetry Patterns for Early Detection of Glaucoma.Translational vision science & technology · 2018Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeCurrent clinical perimetric test paradigms present stimuli randomly to various locations across the visual field (VF), inherently introducing spatial uncertainty, which reduces contrast sensitivity. In the present study, we determined the extent to which spatial uncertainty affects contrast sensitivity in glaucoma patients by minimizing spatial uncertainty through attentional cueing.
methodsSix patients with open-angle glaucoma and six healthy subjects underwent laboratory-based psychophysical testing to measure contrast sensitivity at preselected locations at two eccentricities (9.5° and 17.5°) with two stimulus sizes (Goldmann sizes III and V) under different cueing conditions: 1, 2, 4, or 8 points verbally cued. Method of Constant Stimuli and a single-interval forced-choice procedure were used to generate frequency of seeing (FOS) curves at locations with and without VF defects.
resultsAt locations with VF defects, cueing minimizes spatial uncertainty and improves sensitivity under all conditions. The effect of cueing was maximal when one point was cued, and rapidly diminished when more points were cued (no change to baseline with 8 points cued). The slope of the FOS curve steepened with reduced spatial uncertainty. Locations with normal sensitivity in glaucomatous eyes had similar performance to that of healthy subjects. There was a systematic increase in uncertainty with the depth of VF loss.
conclusionsSensitivity measurements across the VF are negatively affected by spatial uncertainty, which increases with greater VF loss. Minimizing uncertainty can improve sensitivity at locations of deficit. TRANSLATIONAL RELEVANCE: Current perimetric techniques introduce spatial uncertainty and may therefore underestimate sensitivity in regions of VF loss.
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