Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean reading error score for each subject group at the first and second visit
| Group | Mean reading error score ± SD | ||
|---|---|---|---|
| First visit | Second visit | Mean difference ± SD | |
| Control group | 5.34 ± 3.5 (n = 32) |
4.66 ± 2.9 (n = 32) |
0.69 ± 1.20 (n = 32) |
| HTS | 4.53 ± 3.06 (n = 51) |
2.86 ± 1.9 (n = 51) |
1.67 ± 1.90 (n = 51) |
| Reading spectacles with 8Δ base-in | 4.92 ± 4.06 (n = 51) |
2.12 ± 1.9 (n = 51) |
2.80 ± 2.82 (n = 51) |
