Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:50 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 153 matching trials from the live ClinicalTrials.gov search.
Conditions
Presbyopia Correction, Presbyopia
Interventions
Multifocal contact lenses, Spherical contact lenses
Device
Lead sponsor
Ohio State University
Other
Eligibility
40 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Aphasia, Language
Interventions
Intensive Phonology Treatment, Intensive SFA Treatment
Other
Lead sponsor
Austin Speech Labs
Other
Eligibility
20 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Austin, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Visual Remapping to Aid Reading With Field Loss

NCT03848663
Conditions
Age-related Macular Degeneration
Interventions
Traditional Remapping, Personalized Remapping
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
16 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed No phase listed Observational Accepts healthy volunteers Results available

Impairment of Reading Ability in Dry Eye Patients

NCT01826812
Conditions
Dry Eye Syndromes
Interventions
30 minutes sustained reading, Dry eye exam
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Vision, Low
Interventions
Optical Aids
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
5 Years to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Language Disorders
Interventions
Sentence Type, Direct brain stimulation
Behavioral · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers Results available

Retrieval-Based Word Learning in Developmental Language Disorder During Book Reading II

NCT07048392
Conditions
Developmental Language Disorder and Language Impairment, Specific Language Impairment, Language Development
Interventions
Retrieval-based word learning: Repeated Spaced Retrieval condition, Retrieval-based word learning: Repeated Study condition
Behavioral
Lead sponsor
Purdue University
Other
Eligibility
48 Months to 71 Months
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
Dyslexia, Learning Disorders
Interventions
Comprehensive program to improve reading and writing skills
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
6 Years and older
Enrollment
2,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Side Effects of Atropine (SEA) Study

NCT03593044
Conditions
Myopia
Interventions
0.01% concentration atropine drops
Drug
Lead sponsor
Jeffrey J. Walline, OD PhD
Other
Eligibility
21 Years to 30 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Reading Disability, Reading Problem
Interventions
Role of Knowledge Retrieval, Inference Intervention
Behavioral
Lead sponsor
William Jewell College
Other
Eligibility
8 Years to 14 Years
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Excelsior Springs, Missouri
Conditions
Accommodation
Interventions
Dynamic accommodation
Behavioral
Lead sponsor
State University of New York College of Optometry
Other
Eligibility
18 Years to 30 Years
Enrollment
10 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Reading, Language, Control Subjects
Interventions
iTBS, cTBS, Sham Stimulation
Behavioral
Lead sponsor
Georgia State University
Other
Eligibility
18 Years to 30 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Developmental Language Disorder and Language Impairment
Interventions
Recast Therapy, Syntax Stories
Behavioral
Lead sponsor
University of Delaware
Other
Eligibility
4 Years to 9 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Newark, Delaware • College Park, Maryland
Completed No phase listed Observational Accepts healthy volunteers Results available

Accommodation Disorders

NCT01329848
Conditions
Accommodative Insufficiency, Ill-sustained Accommodation
Interventions
Not listed
Lead sponsor
Western University of Health Sciences
Other
Eligibility
18 Years to 30 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pomona, California
Not listed Not applicable Interventional Accepts healthy volunteers

A Language Intervention Study of Preterm Infants

NCT03688386
Conditions
Language Development, Language Delay, Mother-Infant Interaction, Maternal Behavior
Interventions
Reading intervention, Infant bonding, LENA recording, LENA linguistic feedback, LENA summary
Behavioral
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
23 Weeks to 31 Weeks
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Executive Function in Early Childhood

NCT03713125
Conditions
Reading Disability
Interventions
Reading Tutoring
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
4 Years to 9 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2030
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Presbyopia
Interventions
VisAbility™ Micro Insert
Device
Lead sponsor
VisDura, Inc.
Industry
Eligibility
45 Years to 60 Years
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
13
States / cities
Orange, California • San Diego, California • Honolulu, Hawaii + 10 more
Not listed Not applicable Interventional Accepts healthy volunteers

Peripheral Reading

NCT03640130
Conditions
Central Visual Impairment
Interventions
Gaze-contingent text enhancement
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
Not listed
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Apps for Preschool Parents (MAPP) Study

NCT06520072
Conditions
Obesity, Childhood, Nutrition, Healthy, Physical Inactivity, Sleep, Inadequate
Interventions
Children Eating Well (CHEW) mobile app, Beanstalk mobile app
Behavioral
Lead sponsor
Pamela Hull
Other
Eligibility
18 Years to 99 Years
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Lexington, Kentucky
Terminated No phase listed Observational Accepts healthy volunteers

Visual Function Tests in Age-related Macular Degeneration

NCT03275753
Conditions
Age Related Macular Degeneration
Interventions
Visual Function Tests
Other
Lead sponsor
ORA, Inc.
Industry
Eligibility
60 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Andover, Massachusetts
Terminated No phase listed Observational Accepts healthy volunteers

Effects of Sustained Reading on the Ocular Surface

NCT02031172
Conditions
Dry Eye Syndromes, Sjogren's Syndrome
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
50 Years to 89 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Rochester, New York
Conditions
Convergence Insufficiency
Interventions
Office-based vergence/accommodative therapy
Procedure
Lead sponsor
Salus University
Other
Eligibility
9 Years to 13 Years
Enrollment
311 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
8
States / cities
Birmingham, Alabama • Fullerton, California • Fort Lauderdale, Florida + 5 more
Conditions
Parental Infant Bonding, Cardio-respiratory Stability in Preterm NICU Infants
Interventions
Parental Reading Aloud
Other
Lead sponsor
Georgetown University
Other
Eligibility
7 Days to 40 Weeks
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Recruiting Not applicable Interventional Accepts healthy volunteers

Reading Outcomes in Children With Vestibular Loss

NCT05414903
Conditions
Vestibular Disorder, Hearing Loss, Sensorineural
Interventions
Dynamic Visual Acuity, Reading Outcomes, Static Visual Acuity
Behavioral
Lead sponsor
Father Flanagan's Boys' Home
Other
Eligibility
7 Years to 18 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Omaha, Nebraska