Participant demographic data. The lower the deprivation score, the more deprived the area (based on Neighbourhood Statistics from the Office for National Statistics)
| Gender | |
| Male | 12 |
| Female | 9 |
| Ethnicity | |
| White | 18 |
| Other | 3 |
| Age | |
| <39 years | 11 |
| 40–59 years | 8 |
| >60 years | 2 |
| Deprivation score | |
| <10 000 | 4 |
| 10 001–20 000 | 5 |
| 20 001–32 482 | 10 |
| Unable to score | 2 |
| Level of education | |
| University | 10 |
| School | 11 |
| Type of nystagmus | |
| Acquired | 2 |
| Infantile idiopathic | 9 |
| Other infantile | 10 |
| Visual acuity | |
| Better than 6/12 | 10 |
| From 6/12 to 6/36 | 7 |
| Worse than 6/36 | 4 |
| Family history of nystagmus | |
| Yes | 7 |
| No | 14 |
| Living arrangements | |
| Alone | 5 |
| With others | 16 |
| Driving status | |
| Driver | 4 |
| Non-driver | 16 |
| Stopped driving | 1 |