Clinical validation of a new optical biometer for myopia control in a healthy pediatric population

AI Generated Summary*

Fifty-one healthy Spanish children aged 5 to 18 (mean 10.8 years) each contributed one randomly chosen eye to repeatability testing of a new multifunction optical biometer: flat and steep corneal radius and white-to-white distance were captured twice, axial length three times. Within-subject standard deviations were 0.018, 0.021, 0.071 and 0.017 mm, with intraclass correlation coefficients of at least 0.971. Agreement was examined only in a 30-eye subgroup, measured once with a comparator myopia management device, which gave larger corneal radii (K1 0.013 mm; K2 0.058 mm), while the newer unit read white-to-white 0.151 mm wider and axial length 0.030 mm longer. Only the K1 difference was nonsignificant; all gaps were small, and interchangeable use was endorsed with caution.

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