Table 2 Sample dimension and means and standard deviations of scoring on the CISS questionnaire. (N-sample size; CISS-convergence insufficiency symptom survey; SD-standard deviation; NBV-normal binocular vision; OBD-other binocular dysfunctions; CI-convergence insufficiency; AI-accommodative insufficiency)
From: Convergence insufficiency and accommodative insufficiency in children
Visual condition | N / % | School year (N) | Gender (N) | CISS | ||
|---|---|---|---|---|---|---|
5th year | 6th year | Male | Female | Mean ± SD | ||
NBV | 165 / 56,5 | 86 | 79 | 86 | 79 | 7,99 ± 6,0 |
CI | 41/14 | 23 | 18 | 21 | 20 | 11,55 ± 9,4 |
Low | 21 / 7,2 | 10 | 11 | 9 | 12 | 9,71 ± 8,2 |
High | 14 / 4,8 | 10 | 4 | 9 | 5 | 11,5 ± 9,3 |
Definite | 6 / 2 | 3 | 3 | 3 | 3 | 19,17 ± 11,2 |
AI | 29/10 | 19 | 10 | 12 | 17 | 18 ± 9,2 |
With CI | 9 / 3,1 | 8 | 1 | 6 | 3 | 17,44 ± 7,8 |
Without CI | 20 / 6,8 | 11 | 9 | 6 | 14 | 18,45 ± 10,0 |
OBD | 66 / 22,6 | 47 | 40 | 36 | 51 | 12,49 ± 9,6 |