Characteristics of the study and control groups
| Sex (no of females) (mean) | Age (years) (mean (SD)) | Distance deviation (prism dioptres) (mean (SD)) | Near deviation (prism dioptres) | |
|---|---|---|---|---|
| Study group (n = 29) | 13 | 6.7 (8.3) | 19 (10) | 35 (11) |
| range 3–17 | range 0–40 | range 10–55 | ||
| Control group (n = 37) | 17 | 4.4 (9.0) | 30 (11) | 13 (11) |
| range 3–14 | range 14–60 | range 0–45 | ||
| p Value | 0.87 | 0.24 |