Characteristics of visual hallucinations in 26 patients with Parkinson's disease
| Characteristic | Patient No | % |
| Frequency: | ||
| Daily | 6 | 23.1 |
| 2–4 times/week | 6 | 23.1 |
| Once a week | 9 | 34.6 |
| Don't know | 5 | 19.2 |
| Size: | ||
| Normal | 12 | 46.2 |
| Miniaturised | 9 | 34.6 |
| Don't know | 5 | 19.2 |
| Transparency: | ||
| Solid | 25 | 96.2 |
| Transparent | 1 | 3.8 |
| Movement: | ||
| Moves | 7 | 26.9 |
| Still | 17 | 65.4 |
| Varies | 2 | 7.7 |
| Content | ||
| People | 15 | 57.7 |
| Animals | 7 | 26.9 |
| Objects | 8 | 30.8 |
| Can't describe | 2 | 7.7 |
| Multiple content | 19 | 73.1 |
| Single content | 5 | 19.2 |
| Can't describe | 2 | 7.7 |
| Familiarity of content: | ||
| Familiar | 6 | 23 |
| Unfamiliar | 18 | 69.2 |
| Unknown | 2 | 7.7 |
| Duration: | ||
| Minutes | 2 | 7.7 |
| Hours | 8 | 30.8 |
| Days | 2 | 7.7 |
| Varies | 10 | 38.5 |