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Longitudinal refractive errors over 36 months in Hispanic and Black children.
Yi Pang1, Qiong Li2, Sandra S Block1
1Illinois College of Optometry, Chicago, Illinois.
Summary
Hispanic children showed higher astigmatism, while Black children exhibited greater anisometropia. This study highlights racial/ethnic differences in refractive error characteristics in pediatric populations.
Area of Science:
- Ophthalmology
- Pediatric Eye Care
- Refractive Error Research
Background:
- Refractive errors are common in children and can impact visual development.
- Understanding racial and ethnic variations in refractive error is crucial for targeted eye care interventions.
Purpose of the Study:
- To evaluate the longitudinal changes in refractive errors over 36 months in Hispanic and Black children.
- To identify differences in refractive error characteristics between these two ethnic groups.
Main Methods:
- A cohort of children aged 2.4 to 15 years underwent annual cycloplegic refraction measurements.
- Spherical equivalent, astigmatism (cylinder, J0, J45), and anisometropia were analyzed using mixed-linear models over 36 months.
Main Results:
- Hispanic children had significantly higher astigmatism (cylinder, J0, J45) compared to Black children.
- Black children showed a higher prevalence and degree of anisometropia (≥1 D) than Hispanic children.
- Both groups experienced a significant decrease in spherical equivalent over 36 months, but astigmatism and anisometropia remained stable.
Conclusions:
- Significant racial/ethnic differences exist in astigmatism and anisometropia prevalence and characteristics among children.
- These findings underscore the importance of considering ethnicity in pediatric refractive error assessment and management.
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