ArticlePloS one2017
Fixational saccades are more disconjugate in adults than in children.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 21 citations in OpenAlex.
- Amblyopia Severity Predicts Fixation Dysfunction Independent of Nystagmus and Foveation Disruption in Fusion Maldevelopment Nystagmus.Investigative ophthalmology & visual science · 2026Article
- Visually Guided Saccades in Amblyopia and Strabismus: The Roles of Sensory Deficits and Nystagmus.Investigative ophthalmology & visual science · 2026Article
- Differential Fixation and Eye Alignment Patterns in Strabismus with and Without Amblyopia Across Viewing Conditions.Journal of eye movement research · 2026Article
- Article
- Evaluating Eye Tracking During Dichoptic Video Viewing With Varied Fellow Eye Contrasts in Amblyopia.Investigative ophthalmology & visual science · 2024Article
- Assessing inter-ocular fixational eye movements throughout the lifespan.Experimental brain research · 2024Article
- Objective assessment of eye alignment and disparity-driven vergence in Parkinson's disease.Frontiers in aging neuroscience · 2023Article
- Effect of Viewing Conditions on Fixation Eye Movements and Eye Alignment in Amblyopia.Investigative ophthalmology & visual science · 2022Article
- Impaired Saccade Adaptation in Tremor-Dominant Cervical Dystonia-Evidence for Maladaptive Cerebellum.Cerebellum (London, England) · 2021Article
- Fixation eye movement abnormalities and stereopsis recovery following strabismus repair.Scientific reports · 2021Article
- Fixational eye movements abnormalities and rate of visual acuity and stereoacuity improvement with part time patching.Scientific reports · 2021Article
- Monocular and Binocular Visual Function Deficits in Amblyopic Patients with and without Fusion Maldevelopment Nystagmus.Eye and brain · 2021Article
- Microsaccadic rate signatures correlate under monocular and binocular stimulation conditions.Journal of eye movement research · 2020Article
- Article
- Effects of visual blur on microsaccades during visual exploration.Journal of eye movement research · 2019Article
- Fixational Eye Movement Waveforms in Amblyopia: Characteristics of Fast and Slow Eye Movements.Journal of eye movement research · 2019Article
- Fixational Saccades and Their Relation to Fixation Instability in Strabismic Monkeys.Investigative ophthalmology & visual science · 2017Article
- Novel Eye Movement Disorders in Whipple's Disease-Staircase Horizontal Saccades, Gaze-Evoked Nystagmus, and Esotropia.Frontiers in neurology · 2017Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
Abstract
purposeFixational eye movements are of particular interest for three reasons. They are critical for preventing visual fading and enhancing visual perception; their disconjugacy allows scanning in three dimensions, and their neural correlates span through the cortico-striatal, striato-collicular and brainstem networks. Fixational eye movements are altered in various pediatric ophthalmologic and neurologic disorders. The goal of this study was to compare the dynamics of fixational eye movements in normal children and adults.
methodsWe measured the fixational saccades and inter-saccadic drifts in eye positions using infrared video-oculography in children and adults. We assessed the frequency, amplitude, main-sequence, and disconjugacy of fixational saccades as well as the intra-saccadic drift velocity and variance between these two groups.
resultsWe found a similar frequency but an increase in the amplitude of fixational saccades in children compared to adults. We also found that the fixational saccades were more conjugate in children than in adults. The inter-saccadic drifts were comparable between the two groups. DISCUSSION: This study provides normative values of dynamics of fixational eye movement in children and adults. The greater disconjugacy of fixational saccades in adults suggests the existence of neural mechanisms that can independently regulate the movements of two eyes. The differences between adult and pediatric populations could be due to completion of the development of binocularly independent regulation of fixational saccades nearing adulthood. The alternate possibility is that the increased disconjugacy between the two eyes may represent a deficiency in the eye movement performance as a function of increasing age.
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Registered trials
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