| Group | Single focus group | Multifocal group | Astigmatism group | ART group | P value |
| Gender |
|
|
|
|
|
| Male (n) | 10 | 11 | 9 | 10 | >0.05 |
| Female (n) | 10 | 9 | 11 | 10 | >0.05 |
| Age (years) | 66 ± 8.3 | 67 ± 8.8 | 65 ± 8.2 | 62 ± 8.8 | >0.05 |