Evaluating quality of life in children with convergence insufficiency

The Health-Related Quality of Life of the Patients With Symptomatic Convergence Insufficiency

Observational Tianjin Eye Hospital · NCT05948046

This study is testing if visual training can help children aged 8-15 with convergence insufficiency feel better and improve their quality of life.

Quick facts

Study typeObservational
Enrollment300 (estimated)
Ages8 Years to 15 Years
SexAll
SponsorTianjin Eye Hospital Academic / other
Locations1 site (Tianjin)
Trial IDNCT05948046 on ClinicalTrials.gov

What this trial studies

This observational cohort study focuses on children aged 8-15 years who have symptomatic convergence insufficiency. Participants will undergo visual training at the Tianjin Eye Hospital, and their health-related quality of life will be assessed using the EQ-5D-Y and CHU9D scales. The study aims to analyze the effectiveness of visual training in alleviating visual symptoms and improving overall quality of life for these patients. Data will be collected through self-assessment questionnaires completed by both patients and their guardians.

Who should consider this trial

Good fit: Ideal candidates are children aged 8-15 years with symptomatic convergence insufficiency who meet specific visual acuity and assessment criteria.

Not a fit: Patients with constant strabismus, significant refractive errors, or other ocular diseases may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the understanding of how visual training impacts the quality of life for children with convergence insufficiency.

How similar studies have performed: While there is limited information on similar studies, the approach of using visual training for convergence insufficiency has shown promise in other contexts.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* 8\~15 years old
* Monocular best corrected visual acuity at distance and near was more than 0.8
* Near exophoria 4Δ greater than distance exophoria
* NPC ≥ 6cm
* PFV ≤15△BO
* Stereogram ≤500 ''
* Score of CISS questionnaire ≥16 or COVD questionnaire≥20

Exclusion Criteria:

* present constant strabismus, nystagmus or vertical phoria at distance or near.
* developmental delay or ocular surgery
* Myopia≤ -6.00D, Hyperopia ≥ +5.00D, Astigmatism ≥ 4.00D
* Monocular Amplitude of accommodation\<5D
* Other diseases except myopia

Where this trial is running

Tianjin

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 MyopiaConvergence Insufficiency
Last reviewed 2026-06-13 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.