Validating vision tests for concussion-related eye movement problems

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Investigators will recruit 50 people with a recent mTBI and 100 people without mTBI to compare performance on a series of visual endurance tests that require sustained visual responses. Participants will undergo standardized vision examinations to confirm acuity and screen for other eye diseases, then complete the endurance protocols while researchers record objective performance and symptom reports. The team will calculate expected values for each test, look at variability between individuals, and collect qualitative data about discomfort or symptom provocation during testing. Results will be used to determine which measures are reliable and feasible as outcome measures in future rehabilitation studies.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Diagnosis of mTBI within previous 1 to 6 months
* Distance visual acuity better than or equal to 20/25 in each eye
* Score \>21 on Convergence Insufficiency Symptom Survey

Exclusion Criteria:

* Diagnosis of moderate or severe TBI; \> 30-min loss of consciousness
* Not wearing required refractive error)
* Disease(s) known to affect oculomotor system (multiple sclerosis, Graves orbitopathy, myasthenia gravis, diabetes mellitus, or Parkinson disease)-Manifest strabismus or intraocular injury (evaluated at vision examination)
* Cognitive delays that may impact testing

Where it's running

• The Eye Institute
  Philadelphia, Pennsylvania, United States Recruiting

Study contacts

• Study coordinator: Katie Holmbeck, BS
• Email: kh3482@drexel.edu
• Phone: 2157801429

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.