Table 4.
Comparison of noncycloplegic PeWE measurements (near and distant target conditions) to cycloplegic Rmax measurements for encounters on which all 3 measurements were obtained
| Measure | Instrument/condition | Mean | SD | Mean difference from cRmax | SD of difference | Correlation with cRmax (r) |
|---|---|---|---|---|---|---|
| M | Rmax | 0.80 | 1.05 | |||
| PeWE, near fixation | −1.25 | 0.95 | 2.05 | 1.01 | 0.50 | |
| PeWE, distance fixation | −0.15 | 0.82 | 0.94 | 0.85 | 0.61a | |
| J0 | Rmax | 0.50 | 0.57 | |||
| PeWE, near fixation | 0.78 | 0.67 | −0.28a | 0.31 | 0.88a | |
| PeWE, distance fixation | 0.72 | 0.64 | −0.23a | 0.31 | 0.87a | |
| J45 | Rmax | 0.00 | 0.22 | |||
| PeWE, near fixation | −0.17 | 0.33 | 0.17a | 0.48 | −0.45a | |
| PeWE, distance fixation | −0.16 | 0.29 | 0.16a | 0.44 | −0.46a |
Rmax, cycloplegic autorefraction using the Retinomax K-plus2; PeWE, noncycloplegic pediatric wavefront evaluator.
Statistically significant, P < 0.001.