Clinical trial Recruiting at 1 site Interventional Ages 5 to 17

Biofeedback training for children with idiopathic infantile nystagmus

Official title: Biofeedback in Idiopathic Infantile Nystagmus Syndrome

Run by University of Toronto · NCT04142307 · Data updated 2026-11-12

This study is testing if biofeedback training can help children with idiopathic infantile nystagmus improve their vision and control their eye movements better.

More Vision, Low trials

Quick facts

Study typeInterventional
Ages5 Years to 17 Years
SexAll
Enrollment34 (estimated)
SponsorUniversity of Toronto
Academic / other
Locations1 site (Toronto, Ontario)
StatusRecruiting
StartedJanuary 30, 2019
Main results expectedApril 29, 2025
Study endsDecember 30, 2027
Registry record updatedMay 1, 2025
Trial IDNCT04142307 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are children diagnosed with idiopathic infantile nystagmus who can follow visual and auditory training instructions.

Probably not a fit

Patients with ocular diseases unrelated to nystagmus or those with other types of nystagmus may not benefit from this study.

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

What this trial studies

This study evaluates the effectiveness of biofeedback training (BT) for children diagnosed with idiopathic infantile nystagmus (IIN), a condition that affects eye movement and vision. The approach involves using advanced microperimetry instruments to provide real-time feedback during eye movement control training. The goal is to systematically assess the impact of BT on visual acuity and eye movement stability in affected children, ultimately formulating guidelines for its clinical application. Traditional therapies have focused on surgical and optical interventions, making this a novel approach in low vision rehabilitation.

Why it matters

Potential benefit: If successful, this intervention could significantly improve visual function and quality of life for children with idiopathic infantile nystagmus.

How similar studies have gone: Previous laboratory studies have shown positive outcomes using biofeedback techniques in nystagmus cases, indicating potential for success in this clinical application.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosed as Infantile idiopathic nystagmus (IIN)
* Ability to follow the visual and auditory stimuli and training instructions

Exclusion Criteria:

* Ocular diseases not related to the nystagmus physiopathology
* Both eyes with media opacity that impairs microperimetry testing
* Peripheral nystagmus cases
* Other types of nystagmus than IIN
* Inability to perform during testing and training

Where it's running

  • Cnib
    Toronto, Ontario, Canada
    Recruiting

Study contacts

  • Principal investigator: Samuel Markowitz, MD — University of Toronto
  • Study coordinator: Monica Daibert-Nido, MD
  • Email: monica.nido@uhn.com
  • Phone: 4164819995

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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.
Last reviewed 2026-11-14 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.