Axial Length Growth Chart
Plot one or more axial length measurements against East Asian age-normalised percentile curves. Tracks progression rate and flags IMI clinical thresholds — built for myopia control monitoring in Singapore.
Last updated: April 2026
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Growth chart
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Clinical thresholds (IMI 2023)
Clinically significant progression
> 0.10 mm/year
Review and escalate myopia control strategy
High myopia structural risk
≥ 26.0 mm
Annual optic disc, RNFL, macular review
Very high risk
≥ 28.0 mm
Ophthalmology referral indicated
Thresholds from IMI Myopia Control Outcomes Report 2023 and Tideman et al. (JAMA Ophthalmol 2016). Normative curves derived from East Asian paediatric cohort data (He et al. 2011; SCORM Singapore cohort). Use alongside current BHVI/IMI published charts for formal documentation. This tool is for educational and clinical decision support only — not a substitute for professional judgement.