ArticleVision research2021
Disparity vergence differences between typically occurring and concussion-related convergence insufficiency pediatric patients.
Article in Vision research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- CONCUSS randomised clinical trial of vergence/accommodative therapy for concussion-related symptomatic convergence insufficiency.British journal of sports medicine · 2026Trial
- Functional activity changes after vergence and accommodative rehabilitation of concussion-related convergence insufficiency: CONCUSS clinical trial fMRI results.Frontiers in neuroscience · 2025Article
- Accommodative and Vergence Responses to a Moving Stimulus in Concussion.Investigative ophthalmology & visual science · 2024Article
- OculoMotor & Vestibular Endurance Screening (MoVES) Normative, Repeatability, and Reliability Data.Brain sciences · 2024Article
- Precision Concussion Management: Approaches to Quantifying Head Injury Severity and Recovery.Brain sciences · 2023Review
- Quantification of Oculomotor Responses and Accommodation through Instrumentation and Analysis Toolboxes.Journal of visualized experiments : JoVE · 2023Article
- Impact of traumatic brain injury on vision.Vision research · 2023Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
This study sought to test the hypothesis that significant differences would be observed in clinical measures, symptoms, and objective assessments of vergence eye movements between children with typically developing convergence insufficiency (TYP-CI) and children with persistent post-concussion symptoms with convergence insufficiency (PPCS-CI). Data from age-matched binocularly normal controls (BNC) were used for comparison. Data from three groups of children 11 to 17 years of age are presented: BNC (N = 11), TYP-CI (N = 10), and PPCS-CI (N = 15). Clinical measures of vergence, accommodation, and symptom severity were collected. Symmetrical 4° disparity vergence eye movements were quantified with an eye tracker integrated into a head-mounted display (Oculus DK2). Peak velocity and final response amplitude of convergence and divergence eye movement responses were assessed. The mean near point of convergence (break) was more receded (worse), the amplitude of accommodation more deficient, and convergent and divergent peak velocities slower in the PPCS-CI group compared with the TYP-CI and BNC groups. These results suggest that PPCS-CI may be a different clinical entity than TYP-CI. Hence, more research is warranted to determine whether the therapeutic interventions that are effective for TYP-CI can also be used for PPCS-CI populations.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.