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. 2022 Aug 16;16:2639–2650. doi: 10.2147/OPTH.S378777

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© 2022 Arnold.

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Receiver operating characteristic (ROC) curves targeting AAPOS 2021 refractive and strabismic amblyopia risk factors comparing school age (left column) with preschool (right column). Inconclusive results (i) are either counted as a “refer” (I = refer) or excluded from calculations of sensitivity and specificity. Instrument referral criteria “Arnold, ABCD” chosen indicated by the green arrows.