Clinical Study
Atropine 0.01% for the Control of Myopia in Chinese Children: Effect on Accommodation Functions and Pupil Size
Table 2
Baseline characteristics of the children in the two study groups.
| | | Atropine group | Control group | value | | Mean (SD), n = 38 | Mean (SD), n = 25 |
| | Age (yr) | 8.7 (1.6) | 8.7 (1.8) | 0.89 | | Female, n (%) | 19 (50.0) | 11 (44.0) | 0.64 | | Spherical equivalent (D) | −1.94 (1.17) | −1.78 (1.15) | 0.39 | | Axial length (mm) | 24.21 (0.90) | 24.33 (0.64) | 0.12 | | Near BCVA (logMAR) | 0.00 (0.00) | 0.00 (0.00) | — | | Distant BCVA (logMAR) | 0.01 (0.02) | 0.00 (0.01) | 0.70 | | Age at wearing spectacle (yr) | 8.2 (1.7) | 7.6 (1.7) | 0.23 | | Paternal myopia status, n (%) | | | | | No myopia | 8 (21.1) | 2 (8.0) | | | SE ＜ 6.0 D | 23 (60.5) | 16 (64.0) | 0.32 | | SE ≥ 6.0 D | 7 (18.4) | 7 (28.0) | | | Maternal myopia status, n (%) | | | | | No myopia | 7 (18.4) | 6 (24.0) | 0.74 | | SE ＜ 6.0 D | 22 (57.9) | 12 (48.0) | | | SE ≥ 6.0 D | 9 (23.7) | 7 (28.0) | | | Accommodation amplitude (D) | | | | | Monocular | 9.3 (2.2) | 9.3 (2.8) | 0.73 | | Binocular | 7.4 (2.2) | 7.3 (2.3) | 0.63 | | Accommodation facility (cpm) | | | | | Monocular | 10.6 (2.9) | 10.9 (4.0) | 0.87 | | Binocular | 8.7 (3.2) | 9.2 (4.0) | 0.54 | | Pupil diameter (mm) | 6.3 (1.0) | 6.3 (1.1) | 0.54 | | Near stereoacuity (log (seconds of arc)) | 1.4 (0.2) | 1.4 (0.1) | 0.17 | | Intraocular pressure (mmHg) | 16.5 (2.8) | 15.4 (3.1) | 0.05 |
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D = diopter; BCVA = best-corrected visual acuity; logMAR = logarithm of the minimum angle of resolution; cpm = cycles per minute.
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