Vertigo | Study of Oculomotor Dysfunction Leading to Children Vertigo

Vertigo research study

What is the primary objective of this study?

The eye movements of vergence allow binocular vision whatever the viewing distance or the body movements are and the perception of depth. Vergence dysfunction can lead to erroneous visual sensation of movements. In our daily life using screens (computer, game boys..) is increasing and this approach heavily the ocular vergence and can lead to symptoms if oculomotor and accommodative systems are dysfunctioning (Ped. Neurology 2000). Not knowing this pathology lead to inappropriate and expensive prescription CT scan or NMR. To evaluate the vergence performances just evaluation in static condition is currently available in ophthalmology departments. The CNRS laboratory (IRIS, FRE 3154) adapted a technic of eye movement recording to study ocular vergence in dynamic condition.

Who is eligible to participate?

Inclusion Criteria: - Children with disorders of vergence: - 6 to 17 years old - Patient receiving a social security scheme - Presenting vergence problems (diagnosed by standard methods : prism bar using the proximal point of convergence and phoria) and suffering from vertigo and/or headache - Presenting anormal refraction - Free from any type vestibular pathology, ENT or neurological - Free from strabismus - Child and holders of parental authority have signed a consent Healthy Children : - 6 to 17 years old - Free from any type of vestibular pathology, ENT or neurological - Free from any type of neuron-ophthalmic/orthoptic pathology - Child and holders of parental authority have signed a consent Exclusion Criteria: - Patient with a disease which (from the assessment of the investigator) could disrupt the monitoring or be disrupted by the participation in the study,

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?



Anomaly of Vergence System

Accommodation Disorders

Orthoptic Rehabilitation

Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Procedure:orthoptic rehabilitationOrthoptic rehabilitation: 12 sessions (2 sessions per week) At the end of a series of 12 sessions of orthoptic, the child will be examined and will again perform an static and dynamic oculomotor evaluation and control of postural balance.

Other:Orthoptic diagnosticpostural, oculomotor and orthoptics tests

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

Patients orthoptic rehabilitationChildren with vertigo-headache and vergence disorders

Control Orthoptic diagnosticHealthy controls

Study Status


Start Date: September 2010

Completed Date: August 2014

Phase: N/A

Type: Interventional


Primary Outcome: oculomotor complete evaluation (static and dynamic and accommodation), posturography test and a visual dynamic acuity test

Secondary Outcome: free of symptoms

Study sponsors, principal investigator, and references

Principal Investigator: Sylvette R WIENER, M.D., PhD

Lead Sponsor: Assistance Publique - Hôpitaux de Paris

Collaborator: Centre National de la Recherche Scientifique, France

More information:

Discuss Dizziness