Clinical trials: Convergence Insufficiency
Convergence Insufficiency
A Randomized Trial of Base-in Prism Reading Glasses Convergence Insufficiency in Children
This study is designed to compare the use of special prism glasses to placebo treatment for children with symptomatic convergence insufficiency.
- Trial name
- NCT00347581
- Testing
- Base-in prism glasses for reading
- Where
- 10 sites in United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Pennsylvania College of Optometry
Refractive Error, Visual Impairment
The Baltimore Reading and Eye Disease Study
The Baltimore Reading and Eye Disease Study (BREDS) is a two year study to determine the prevalence of vision problems in an early school age population with reading difficulty.
- Conditions
- Refractive Error, Visual Impairment, Convergence Insufficiency, Reading Disabilities
- Trial name
- BREDS (NCT02607384)
- Testing
- Eyeglass wearing, Orthoptic exercises, Specialist referral
- Volunteers
- 328 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Ophthalmological Disorder
Effect of Binocular Treatment Using a Dichoptic Reading Application in Children With Convergence Insufficiency.
Convergence insufficiency is a common disorder of binocular vision that can appear as early as childhood after visual effort, and is often associated with a variety of symptoms such as eyestrain, headaches, blurred vision and…
- Trial name
- ALEDICE (NCT06465615)
- Testing
- Self-education with dichoptic reading on tablet, Conventional orthoptic rehabilitation
- Volunteers
- 26 people
- Sponsor
- University Hospital, Montpellier
Amblyopia, Ocular Motility Disorders
A New Approach to Vision Therapy Based on Naturalistic 3-D Computer Gaming
The research team will execute two concurrent studies within a common framework. The first will compare iCare to standard of care occlusion therapy (patching) for amblyopia in patients ages 4 to 18 (inclusive).
- Trial name
- ICARE (NCT03066063)
- Testing
- iCare, Amblyopia standard of Care, CI standard of Care
- Where
- United States
- Volunteers
- 92 people
- Sponsor
- Barron Associates, Inc.
Myopia, Convergence Insufficiency
The Health-Related Quality of Life of the Patients With Symptomatic Convergence Insufficiency
This trial is an observational cohort study. Patients aged 8-15 years with symptomatic convergence insufficiency and 150 patients with symptomatic convergence insufficiency who had not received visual training were selected from…
- Trial name
- NCT05948046
- Testing
- Visual training in hospital
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Tianjin Eye Hospital
Concussion, Convergence Insufficiency
Interventions for Convergence Insufficiency in Concussed Children
The ICONICC Study is a randomized controlled clinical trial designed to compare the proportion of successful treatment outcomes between children assigned to standard concussion care only, standard concussion care plus simple…
- Trial name
- ICONICC (NCT03908112)
- Testing
- Standard Community Concussion Care (SC), SC plus Simple Convergence Exercises (SC+), SC plus Office-based Vergence/Accommodative Therapy (SC+OBVAT)
- Where
- 8 sites in United States
- Volunteers
- 264 people, healthy volunteers welcome
- Sponsor
- Mitchell Scheiman
Convergence Insufficiency
Office-based Vision Therapy for Improving Reading and Attention in Children With Convergence Insufficiency
CITT-ART is a multicenter study (8 locations around the United States) of 324 children ages 9 to <14 years with symptomatic convergence insufficiency (CI).
- Trial name
- CITT-ART (NCT02207517)
- Testing
- Office-based vergence/accommodative therapy
- Where
- 8 sites in United States
- Volunteers
- 311 people, healthy volunteers welcome
- Sponsor
- Salus University
ADHD, Convergence Insufficiency
Study of Eyes and Attention Deficit (SEAD)
Attention-Deficit Hyperactivity Disorder (ADHD) is considered to be one of the most prevalent chronic health conditions in children. It affects between 4% and 12% of young children.
- Conditions
- ADHD, Convergence Insufficiency, Accommodative Insufficiency
- Trial name
- NCT00472511
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Persistent Post-concussive Symptoms, Convergence Insufficiency
Persistent Post-Concussion Symptoms With Convergence Insufficiency
Our successful R01 discovered 1) the neural mechanistic difference between typically occurring convergence insufficiency (TYP-CI) and binocularly normal controls and 2) the underlying mechanism of office-based vergence and…
- Conditions
- Persistent Post-concussive Symptoms, Convergence Insufficiency, Mild Traumatic Brain Injury, Concussion, Mild
- Trial name
- PPCS-CI (NCT05262361)
- Testing
- Office-based Vergence and Accommodative Therapy
- Where
- 2 sites in United States
- Volunteers
- 112 people
- Sponsor
- New Jersey Institute of Technology
Convergence Insufficiency
The Effectiveness of Visual Training in Convergence Insufficiency Patients
Convergence insufficiency (CI) is one of the most common binocular vision disorders. The prevalence of CI ranges from 3% to 6% in school-aged children.
- Trial name
- NCT05603962
- Testing
- Visual training
- Where
- Taiwan
- Volunteers
- 12 people
- Sponsor
- National Taiwan University Hospital
Convergence Insufficiency
Convergence Insufficiency Treatment Study (CITS)
The purpose of this study is to determine the effectiveness of home-based computer therapy for symptomatic convergence insufficiency (CI) compared to traditional home-based near target push-ups and placebo treatment.
- Trial name
- NCT01515943
- Testing
- Active home-based computer vergence/accommodative therapy, Near target push-ups
- Where
- 2 sites in United States
- Volunteers
- 204 people
- Sponsor
- Jaeb Center for Health Research
Complications
Surgery and Convergence Insufficiency Intermittent Exotropia
This trial aims to determine which treatment modality is better for treatment of the convergence insufficiency subtype of intermittent exotropia.
- Trial name
- NCT01435876
- Testing
- Post exercise Surgery, Orthoptics, Postop orthoptics
- Where
- 3 sites in India
- Volunteers
- 76 people
- Sponsor
- Sudhalkar Eye Hospital
Convergence Insufficiency Intermittent Exotropia (CI-IXT)
S-BLR Versus C-BLR for CI-IXT in Children
This is a multi-center, randomized single-blind controlled trial to compare the effectiveness of S-BLR with C-BLR for the treatment of CI-IXT in children.
- Trial name
- SCCIXT (NCT04064112)
- Testing
- S-BLR, C-BLR
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Chen Zhao
Concussion, Mild, Convergence Insufficiency
Spectacles Lens in Concussed Kids
We will be looking at 3 treatment arms in the form of different type of glasses to see if one is superior to helping kids have sustained a concussion and are symptomatic.
- Conditions
- Concussion, Mild, Convergence Insufficiency, Accommodation; Insufficiency
- Trial name
- SLICK (NCT03123822)
- Testing
- Glasses
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Convergence Insufficiency, Binocular Vision Disorder
Convergence Insufficiency Treatment Trial (CITT)
The purposes of the CITT are: To determine whether Home-based Pencil Push-up therapy, Home-based Pencil Push-ups with Computer Vision Therapy/Orthoptics or Office-based VT/Orthoptics more effective than placebo treatment, and…
- Trial name
- NCT00338611
- Testing
- Home-based Pencil Push-Up Therapy, Home-based Pencil Push-ups with Computer Vision Therapy/Orthoptics, Office-based Vision Therapy/Orthoptics
- Where
- 9 sites in United States
- Volunteers
- 221 people
- Sponsor
- National Eye Institute (NEI)
Convergence Insufficiency
Objective Assessment of Disparity Vergence After Treatment of Symptomatic CI in Children
This study is designed to evaluate changes in objective measures of disparity vergence after office-based vergence/accommodative therapy (OBVAT) for convergence insufficiency (CI) in children 12-17 years old.
- Trial name
- NCT03248336
- Testing
- office-based vergence/accommodative therapy
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Salus University
Convergence Insufficiency
Efficacy Of Pencil Pushup Exercise Vs Base Out Exercising Prism's In Patient With Convergence Insufficiency
Convergence insufficiency (CI) is a prevalent binocular vision disorder that leads to symptoms such as eye strain, headaches, and blurred vision during near work.
- Trial name
- NCT06913829
- Testing
- base-out exercising prisms, pencil pushup exercises
- Where
- Pakistan
- Volunteers
- 28 people
- Sponsor
- Superior University
Convergence Insufficiency
Randomized Trial of Treatments for Convergence Insufficiency
The Convergence Insufficiency Treatment Trial (CITT) is a multi-center, placebo-controlled, single-masked, clinical trial designed to compare the benefits of two commonly used treatment approaches for patients with convergence…
- Trial name
- NCT00347945
- Testing
- Pencil Push-ups, Office-based Vision Therapy
- Where
- 7 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Pennsylvania College of Optometry
Convergence Insufficiency
Screening for Convergence Insufficiency in School-age Children
The purpose of this study was to assess the ability of common tests of eye alignment, convergence, and accommodation to identify children with convergence insufficiency in a school screening setting.
- Trial name
- NCT00472407
- Where
- United States
- Volunteers
- 282 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Comparison of Three Vision Therapy Approaches for Convergence Insufficiency
Comparison of Three Vision Therapy Approaches for Convergence Insufficiency
We compared the effectiveness of three active vision therapy approaches for convergence insufficiency (CI). Patients with eligible criteria and symptomatic CI were included in a prospective study and randomly allocated into three…
- Trial name
- NCT03431454
- Testing
- trained to do the pencil push-ups procedure, using a major amblyoscope twice weekly with additional home orthoptic therapy, using three diopter over-minus lenses and a base out prism
- Where
- Iran
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences