Vergence exercises for patients with vision issues after concussion

Effect of Vergence Exercises for Rehabilitation of Patients With Convergence Insufficiency as a Long-term Consequence of Concussion.

Not applicable Interventional Danish College of Optometry and Vision Science · NCT05012384

This study tests if special eye exercises can help people with vision problems after a concussion feel better.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment100 (estimated)
Ages30 Years to 60 Years
SexAll
SponsorDanish College of Optometry and Vision Science Academic / other
Locations1 site (Randers, Central Region, Denmark)
Trial IDNCT05012384 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of vergence exercises in patients who have experienced long-term visual symptoms following a concussion, specifically focusing on those with convergence insufficiency. A total of 100 participants will be randomly assigned to receive either the exercises or a placebo treatment to assess improvements in eye coordination and related symptoms. The goal is to provide evidence that can guide clinicians in treating visual disturbances associated with concussions. The study aims to clarify the role of targeted exercises in managing these symptoms.

Who should consider this trial

Good fit: Ideal candidates are individuals who have experienced a concussion at least three months prior and have not been previously diagnosed with convergence insufficiency.

Not a fit: Patients with pre-existing eye diseases or those unable to complete the baseline examination may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a non-invasive treatment option for patients suffering from visual symptoms related to concussion.

How similar studies have performed: While there is limited data on this specific approach, similar interventions targeting visual symptoms post-concussion have shown promise in other studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Concussion at least 3 month ago
* Convergence insufficiency which has not been diagnosed prior to the concussion

Exclusion Criteria:

* Patient who are unable to fulfill baseline examination
* Manifest or paralytic strabismus
* Self-reported eye disease

Where this trial is running

Randers, Central Region, Denmark

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Concussion, MildConvergence Insufficiency
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.