Table 1.

Peripheral Refraction and Peripheral Eye Length Data (mean ± SD) as a Function of Eccentricity in the Horizontal and Vertical Meridians

Eccentricity (°)	n	Peripheral Refraction (D)	Most Hyperopic Meridian (D)	Most Myopic Meridian (D)
Horizontal
−40 (nasal retina)	294	−0.74 ± 1.32	0.00 ± 1.27	−1.50 ± 1.47
−30	294	−1.73 ± 1.24	−1.26 ± 1.25	−2.20 ± 1.27
−20	294	−2.16 ± 1.17	−1.77 ± 1.19	−2.56 ± 1.20
0	294	−2.42 ± 1.04	−2.17 ± 1.03	−2.68 ± 1.06
20	294	−2.23 ± 1.08	−1.70 ± 1.11	−2.76 ± 1.10
30	294	−1.63 ± 1.26	−0.69 ± 1.23	−2.59 ± 1.38
40 (temporal retina)	294	−0.60 ± 1.62	0.87 ± 1.43	−2.08 ± 1.96
Vertical
−30 (superior retina)	294	−2.83 ± 1.22	−1.73 ± 1.10	−3.94 ± 1.44
−20	294	−2.88 ± 1.09	−2.25 ± 1.01	−3.52 ± 1.22
0	294	−2.42 ± 1.04	−2.17 ± 1.03	−2.68 ± 1.06
20	294	−2.52 ± 1.15	−1.98 ± 1.09	−3.06 ± 1.27
30 (inferior retina)	292	−3.01 ± 1.50	−2.12 ± 1.41	−3.91 ± 1.67

Columns labelled “relative” are measurements relative to the central value.