Hyperopia Treatment Study 1 (HTS1) - Glasses vs Observation
Public ClinicalTrials.gov record NCT01515475. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Glasses Versus Observation for Moderate Hyperopia in Young Children (HTS1)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to compare visual acuity outcomes and development of strabismus after a 3-year follow-up period in children age 12 to \<72 months with moderate hyperopia (spherical equivalent +3.00D to +6.00D) who are prescribed glasses either immediately or only after confirmation of pre-specified deterioration criteria.
Study identification
- NCT ID
- NCT01515475
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 249 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 12 Months to 71 Months
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 22, 2012
- Primary completion
- Jan 31, 2018
- Completion
- Jan 31, 2018
- Last update posted
- Jul 15, 2019
2012 – 2018
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| The Ohio State University College of Optometry | Columbus | Ohio | 43210-1280 | — |
| Rocky Mountain Eye Care Associates | Salt Lake City | Utah | 84107 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01515475, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 15, 2019 · Synced Sep 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01515475 live on ClinicalTrials.gov.