Hyperopia Detection GCK With Glow Fixation
Public ClinicalTrials.gov record NCT04297969. 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
Detection of Hyperopia by Photoscreener GoCheckKids With Glow Fixation Device
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
"GoCheck Kids" has added to its iPhone 7+ smart phone with flash concentrator a non-accommodating glow box fixation target. In pediatric eye patients, the "GCK" with glow box is compared to cycloplegic refraction as well as School Bus Accommodation-relaxing skiascopy, "2WIN" photoscreener and "Retinomax."
Study identification
- NCT ID
- NCT04297969
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 133 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 1 Month to 20 Years
- Sex
- All
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 13, 2019
- Primary completion
- Nov 5, 2019
- Completion
- Mar 2, 2020
- Last update posted
- Oct 18, 2020
2019 – 2020
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Alaska Children's EYE & Strabismus | Anchorage | Alaska | 99508 | — |
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 NCT04297969, 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 Oct 18, 2020 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04297969 live on ClinicalTrials.gov.