Table 1.

Characteristics of the healthy eyes included in the study.

Number (men/women)	127 (58/69)
Age, years (range, years)	59.9 ± 17.3 (20–87)
Height, cm (range, cm)	161.4 ± 8.0 (146–178)
Weight, kg (range, kg)	61.6 ± 11.5 (40.9–96.1)
Axial length, mm (range, mm)	24.19 ± 1.08 (22.01–25.95)
Spherical equivalent, D (range, D)	−1.00 ± 2.20 (−5.88 to 3.00)
LogMAR visual acuity (range)	0.10 ± 0.01 (−0.18 to 0.22)
(range in Snellen equivalent)	(12/20–20/13)

The data are shown as mean ± standard deviation unless otherwise indicated.

LogMAR logarithm of minimum angle of resolution.