Table 3: Sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) expressed in %, for different thresholds of visual acuity with the fogging test for the detection of ≥ +2 D and ≥ +1.5 D spherical equivalent errors.

2/103/104/105/106/107/108/109/10

Hyperopia >2.00 D
Sensitivity10010010010092757525
Specificity7296079869395100
PPV24294157657582100
NPV10010010010097939382

Hyperopia >1.50 D
Sensitivity9686867768504614
Specificity6286988949797100
PPV41456681889291100
NPV6775888581747263