Correlations of patients’ perception of overall change in visual function (from the interviews), with changes in visual function dimension scores (from the questionnaires)
| Visual function dimension | No of patients | Spearman correlation coefficient | Statistical significance (two tail) |
|---|---|---|---|
| Distance vision function | 23 | 0.79 | p<0.0001 |
| Near vision function | 22 | 0.48 | p=0.02 |
| Glare visual function | 22 | 0.43 | p=0.03 |
| Composite of visual function data item scores | 21 | 0.62 | p=0.03 |