Saccades and Vergence Performance in a Population of Children with Vertigo and Clinically Assessed Abnormal Vergence Capabilities
2011

Eye Movements in Children with Vertigo and Vergence Deficits

Sample size: 44 publication 10 minutes Evidence: moderate

Author Information

Author(s): Bucci Maria Pia, Kapoula Zoï, Bui-Quoc Emmanuel, Bouet Aurelie, Wiener-Vacher Sylvette

Primary Institution: Laboratoire de Psychologie et Neuropsychologie Cognitives, FRE 3292 CNRS IUPDP Université Paris Descartes, Boulogne Billancourt, France

Hypothesis

In children with vergence abnormalities, the gap effect facilitates the triggering and execution of eye movements.

Conclusion

Children with vergence abnormalities showed longer latency and poorer gain in eye movements compared to normal children.

Supporting Evidence

  • Group 2 children with vergence abnormalities had significantly longer latency than normal children.
  • All groups of children with vergence abnormalities showed poor gain, especially for vergence movements.
  • Peak velocity values did not differ significantly between groups.

Takeaway

This study looked at how children with dizziness and eye movement problems move their eyes. It found that they take longer to move their eyes than kids without these problems.

Methodology

The study involved 44 children with vertigo and vergence abnormalities, comparing their eye movement performance to 28 healthy children using various eye movement tests.

Potential Biases

Potential bias in participant selection as all children were referred for clinical evaluation.

Limitations

The study did not explore the long-term effects of the identified eye movement deficits or the effectiveness of potential training interventions.

Participant Demographics

Children aged 10 to 15 years, with a mean age of 12.3 years, referred for vertigo and headaches.

Statistical Information

P-Value

p<0.01 for NPC, p<0.0001 for divergence and convergence values

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023125

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