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.

Revised criteria	Hyperopia>1.88 D in any meridian	Myopia>-3.0 D in any meridian	Astigmatism (>1.5 D within 10°of 90°or180°,>1.0 D in oblique axis)	Anisometropia >1.25 D (spherical or cylindrical)
Sensitivity	86.7%	85.7%	85.0%	72.2%
Specificity	89.5%	94.7%	85.5%	84.8%