ArticleThe British journal of ophthalmology2018
Binocular stereo acuity affects monocular three-dimensional shape perception in patients with strabismus.
Article in The British journal of ophthalmology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- Extraction of three-dimensional shapes in glaucoma patients in response to monocular depth cues.Japanese journal of ophthalmology · 2024Observational
- Deficits in Reach Planning and On-Line Grasp Control in Adults With Amblyopia.Investigative ophthalmology & visual science · 2023Article
- Cortical Reorganization After Optical Alignment in Strabismic Patients Outside of Critical Period.Investigative ophthalmology & visual science · 2023Article
- The Impact of the Wavelength and Its Transmittance on the Visual Evoked Potentials, at Baseline, and under the Effect of Six Monochromatic Filters Used for Visual Treatments.Sensors (Basel, Switzerland) · 2023Observational
- Visual Crowding Reveals Field- and Axis-Specific Cortical Miswiring After Long-Term Axial Misalignment in Strabismic Patients Without Amblyopia.Investigative ophthalmology & visual science · 2023Article
- Differences in the Visual Performances of Patients with Strabismus, Amblyopia, and Healthy Controls.Bioengineering (Basel, Switzerland) · 2022Article
- Analysis of the potential impact of strabismus with and without amblyopia on visual-perceptual and visual-motor skills evaluated using TVPS-3 and VMI-6 tests.Journal of optometryObservational
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Authors and funding
4 authors at 4 institutions in 5 countries.
Funding
Abstract
BACKGROUND/
aimsTo evaluate the perception of three-dimensional (3D) shape in patients with strabismus and the contributions of stereopsis and monocular cues to this perception.
methodsTwenty-one patients with strabismus with and 20 without stereo acuity as well as 25 age-matched normal volunteers performed two tasks: (1) identifying the closest vertices of 3D shapes from monocular shading (3D-SfS), texture (3D-SfT) or motion cues (3D-SfM) and from binocular disparity (3D-SfD), (2) discriminating 1D elementary features of these cues.
resultsDiscrimination of the elementary features of luminance, texture and motion did not differ across groups. When the distances between reported and actual closest vertices were resolved into sagittal and frontoparallel plane components, sagittal components in 3D-SfS and frontoparallel components in 3D-SfT indicated larger errors in patients with strabismus without stereo acuity than in normal subjects. These patients could not discriminate one-dimensional elementary features of binocular disparity. Patients with strabismus with stereo acuity performed worse for both components of 3D-SfD and frontoparallel components of 3D-SfT compared with normal subjects. No differences were observed in the perception of 3D-SfM across groups. A comparison between normal subjects and patients with strabismus with normal stereopsis revealed no deficit in 3D shape perception from any cue.
conclusionsBinocular stereopsis is essential for fine perception of 3D shape, even when 3D shape is defined by monocular static cues. Interaction between these cues may occur in ventral occipitotemporal regions, where 3D-SfS, 3D-SfT and 3D-SfD are processed in the same or neighbouring cortical regions. Our findings demonstrate the perceptual benefit of binocular stereopsis in patients with strabismus.
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