Table 1.
Means and standard deviations of vergence parameters in dyslexic and non-dyslexic adolescents.
| Dyslexic | Non-dyslexic | p-value | |||
|---|---|---|---|---|---|
| Average | SD | Average | SD | ||
| Divergence amplitude (°) | 1.5 | 1.0 | 1.2 | 0.7 | 0.25 |
| Convergence amplitude (°) | 2.2 | 1.5 | 2.2 | 1.4 | 0.53 |
| Divergence total amplitude (°) | 2.8 | 1.1 | 2.8 | 1.1 | 0.71 |
| Convergence total amplitude (°) | 3.7 | 1.9 | 4.1 | 1.8 | 0.23 |
| Divergence latency (ms) | 334.0 | 62.5 | 334.3 | 69.2 | 0.96 |
| Convergence latency (ms) | 336.5 | 68.2 | 314.3 | 75.1 | 0.21 |
| Divergence duration (ms) | 42.6 | 21.0 | 29.6 | 9.9 | 0.00 |
| Convergence duration (ms) | 60.7 | 31.0 | 49.5 | 24.4 | 0.09 |
| Divergence peak velocity (°/s) | 90.7 | 60.3 | 62.0 | 76.6 | 0.00 |
| Convergence peak velocity (°/s) | 99.3 | 63.5 | 70.8 | 42.7 | 0.00 |
| Divergence average velocity (°/s) | 32.7 | 11.2 | 41.3 | 36.9 | 0.00 |
| Convergence average velocity (°/s) | 35.3 | 14.2 | 46.0 | 15.8 | 0.00 |
| Divergence total velocity (°/s) | 13.4 | 4.5 | 14.5 | 5.1 | 0.29 |
| Convergence total velocity (°/s) | 16.2 | 6.7 | 19.4 | 7.7 | 0.03 |
| Fixation disconjugacy 80 ms after divergence (°) | 0.7 | 0.3 | 0.9 | 0.8 | 0.06 |
| Fixation disconjugacy 80 ms after convergence (°) | 0.8 | 0.4 | 1.1 | 0.5 | 0.00 |
| Fixation disconjugacy 160 ms after divergence (°) | 1.3 | 0.6 | 1.6 | 0.7 | 0.06 |
| Fixation disconjugacy 160 ms after convergence (°) | 1.5 | 0.7 | 2.0 | 0.9 | 0.01 |
Variables with significant differences between the two populations (p < 0.05) are bolded.