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Mean total reading time for each subject group at the first and second visit
| Group | Mean total reading time (seconds) ± SD | ||
|---|---|---|---|
| First visit | Second visit | Mean difference (seconds) ± SD | |
| Control group | 130.88 ± 61.46 (n = 32) |
127.03 ± 60.59 (n = 32) |
3.84 ± 4.04 (n = 32) |
| HTS | 113.98 ± 48.83 (n = 51) | 101.61 ± 37.53 (n = 51) |
12.37 ± 16.22 (n = 51) |
| Reading spectacles with 8Δ base-in | 108.49 ± 48.68 (n = 51) |
87.00 ± 39.60 (n = 51) |
21.49 ± 13.53 (n = 51) |
