Fig 1.
(A) Distribution of ages of the study subjects; (B) Distribution of refractive errors of the study subjects.
Table 1.
The mean spherical equivalent (SE) and Jackson cross cylinder power values obtained by the Plusoptix A09 and cycloplegic retinoscopy.
Fig 2.
Bland-Altman plots showing agreement between the Plusoptix A09 (Plus) and cycloplegic retinoscopy (CR) for SE, J0 and J45 values.
Fig 3.
The relationship between the results of the Plusoptix A09 and cycloplegic retinoscopy (three types of custom regression models including linear, quadratic and cubic regression).
Fig 4.
ROC curve for hyperopia obtained by the Plusoptix A09 in comparison with cycloplegic retinoscopy.
Fig 5.
ROC curve for anisometropia obtained by the Plusoptix A09 in comparison with cycloplegic retinoscopy.
Table 2.
Sensitivity and specificity for detecting refractive amblyopia risk factors with the Plusoptix A09 according to AAPOS.
Table 3.
Sensitivity and specificity for detecting refractive amblyopia risk factors with the Plusoptix A09 according to revised criteria on the basis of receiver operating characteristic (ROC) curve.
Fig 6.
ROC curves of spherical and cylinder values obtained from the Plusoptix A09 in detecting amblyopia.
Table 4.
Sensitivity and specificity of the Plusoptix photoscreener in detecting refractive amblyopia risk factors with various referral criteria.
Table 5.
Sensitivity and specificity of different vision screening techniques in detecting amblyopia, strabismus and refractive amblyopia risk factors.