Table 2.
Comparison of Mean Difference (95% LoA) of Central 0° and Peripheral Refractive Error Values Between Two Peripheral Retinoscopy Techniques Open-field Autorefractor, Performed by Junior Examiners 1 and 2
Mean Difference (95% LoA) | |||||||
---|---|---|---|---|---|---|---|
Spherical Equivalent (D) | Sphere (D) | Cylinder (D) | |||||
Eccentricity | Condition | Junior Examiner 1 | Junior Examiner 2 | Junior Examiner 1 | Junior Examiner 2 | Junior Examiner 1 | Junior Examiner 2 |
Central 0° | OFAR vs. CR | 0.09 | −0.10 | 0.18* | 0.05 | −0.18 | −0.30* |
(−0.49 to +0.67) | (−1.02 to +0.82) | (−0.41 to +0.77) | (−0.83 to +0.94) | (−0.86 to +0.50) | (−1.00 to +0.39) | ||
Temporal 22° | OFAR vs. P−ARC | −0.10 | −0.50 ± 0.21* | 0.00 | −0.29 | −0.20 | −0.43* |
(−1.46 to +1.26) | (−2.01 to 1.22) | (−1.39 to +1.39) | (−1.62 to +1.04) | (−1.16 to +0.77) | (−2.08 to +1.22) | ||
OFAR vs. ER | −0.08 | −0.33 | −0.18 | −0.41* | 0.20 | 0.16 | |
(−1.24 to +1.08) | (−1.53 to +0.86) | (−1.53 to +1.17) | (−1.64 to +0.81) | (−1.19 to +1.58) | (−1.59 to +1.91) | ||
P−ARC vs. ER | 0.02 | 0.17 | −0.18 | 0.13 | 0.39 | 0.59* | |
(−1.22 to +1.26) | (−0.58 to +0.92) | (−1.71 to +1.35) | (−0.76 to +0.51) | (0.96 to +1.75) | (−0.64 to +1.81) | ||
Nasal 22° | OFAR vs. P−ARC | −0.18 | −0.38 | −0.09 | −0.16 | −0.18 | −0.45 |
(−1.55 to +1.19) | (−1.92 to +1.16) | (−1.60 to +1.42) | (−1.66 to +1.34) | (−1.78 to +1.42) | (−2.21 to +1.45) | ||
OFAR vs. ER | 0.10 | −0.30 ± 0.19 | 0.23 | −0.14 | −0.27 | −0.32 | |
(−0.81 to +1.01) | (−1.68 to +1.07) | (−0.85 to +1.31) | (−1.46 to +1.17) | (−1.74 to +1.20) | (−2.01 to +1.37) | ||
P−ARC vs. ER | −0.28 | 0.08 | 0.32 | 0.02 | +0.09 | 0.13 | |
(−0.88 to +1.43) | (−0.78 to +0.94) | (−0.89 to +1.53) | (−0.57 to +0.61) | (−1.00 to +0.82) | (−0.81 to +1.06) |
CR, central retinoscopy; ER, eye rotation; OFAR, open-field autorefractor.
Indicates a significant difference between the two techniques. P value of <0.05 was considered as statistically significance.