<p>Anonymized dataset.</p>

CERMATA is a web-based digital platform that integrates the validated WHOeyes mobile application with referral management and program monitoring.</p> <p>Methods</p><p>This cross-sectional pilot implementation study evaluated the operational feasibility and preliminary screening performance of CERMATA in two primary schools participating in the initial implementation phase of the CERMATA program in Jakarta, Indonesia.

Seventy-two children aged 9–12 years completed both CERMATA screening and standardized Snellen visual acuity assessment on the same day. Referral-level reduced visual acuity was defined as presenting visual acuity worse than 6/9 in either eye. Screening performance, agreement, and receiver operating characteristic (ROC) analysis were evaluated at the participant level using the poorer eye.</p> <p>Results</p><p>According to the Snellen reference assessment, 58 participants (80.6%) met the referral criterion.