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Pediatric corneal data show geographic gaps
A review of more than 46,000 children highlights uneven population representation and inconsistent measurement methods, raising questions about the applicability of existing reference values.
Clinical Scorecard: Pediatric corneal data show geographic gaps
At a Glance
Category
Detail
Condition
Clinical topic addressed by the source article: Pediatric corneal data show geographic gaps
Key Mechanisms
Mechanisms or clinical associations described in the source article.
Target Population
Population described in the source article.
Care Setting
Scoping review of pediatric corneal reference measurements reported in studies published from January 2000 through December 2024.
Key Highlights
Central corneal thickness was assessed in 25 studies involving more than 28,000 children; findings on age- and sex-related differences were inconsistent.
Studies generally found corneal curvature and diameter to be relatively stable during childhood, with some reported age- or sex-related variation.
Studies examining racial and ethnic variation in central corneal thickness generally reported thinner corneas among Black children than White children; findings across other groups varied.
Seventeen of 28 studies were conducted in Asia; 4 in North America; 2 each in Europe, Africa, and South America; and 1 in Australia. The authors noted limited representation of some populations.
Measurement technologies and reporting practices differed across studies, complicating comparisons of reported values.
Guideline-Based Recommendations
Diagnosis
The authors stated that pediatric corneal measurements should be interpreted in the context of the populations and measurement methods used to establish reference values.
Management
The review assessed reference measurements and did not report disease-specific treatment recommendations.
Monitoring & Follow-up
The authors called for longitudinal investigations of pediatric corneal measurements.
Risks
Differences in measurement technologies, age classifications, demographic reporting, and eye laterality complicated comparisons.
The predominance of Asian study populations and limited representation of other regions constrained generalizability.
Most included studies were cross-sectional, limiting assessment of corneal development over time.
The review was restricted to English-language publications, potentially excluding relevant evidence.
Patient & Prescribing Data
Healthy children younger than 18 years without additional impairments or comorbidities, as represented in the included studies.
The review assessed reference measurements and did not report prescribing or treatment data.
Clinical Best Practices
The authors stated that pediatric corneal measurements should be interpreted in the context of the populations and measurement methods used to establish reference values.
The authors reported that age- and sex-related findings varied across studies.
The authors called for standardized measurement procedures and consistent reporting.
The authors called for longitudinal studies involving more geographically and ethnically diverse pediatric populations.
