Trials / Completed
CompletedNCT05305274
Age and Refraction in Predicting Myopia Progression in COVID-19
The Effect of Age and Refraction in Predicting Myopia Progression With Risk Under COVID-19 in a 3-year Follow-up of a Chinese Cohort
- Status
- Completed
- Phase
- —
- Study type
- Observational
- Enrollment
- 34,400 (actual)
- Sponsor
- Tianjin Eye Hospital · Academic / Other
- Sex
- All
- Age
- 6 Years – 15 Years
- Healthy volunteers
- Accepted
Summary
To determine the longitudinal changes of age and refraction in predicting myopia progression with risk under the coronavirus disease 2019 (COVID-19) pandemic in a 3-year follow-up of a Chinese cohort.
Detailed description
This was part of the large-scale Tianjin Eye Study, a population-based cohort study that longitudinally investigates the relationship between the age, refraction, and development of childhood RE in Tianjin, China.
Conditions
Interventions
| Type | Name | Description |
|---|---|---|
| OTHER | screening | This study included 34,400 students, as part of the Tianjin Eye Study who performed a 3-year follow-up from 2019 to 2021. All participants underwent yearly noncycloplegic refraction and ocular examinations. Time-related changes in sphere, cylinder, and spherical equivalent (SE) measurements in both sexes were analyzed. |
Timeline
- Start date
- 2019-10-01
- Primary completion
- 2021-10-31
- Completion
- 2021-12-01
- First posted
- 2022-03-31
- Last updated
- 2022-03-31
Locations
1 site across 1 country: China
Source: ClinicalTrials.gov record NCT05305274. Inclusion in this directory is not an endorsement.