n | % | Range | |
Gender | |||
Female | 7 | 44 | |
Male | 9 | 56 | |
Age in years (mean ± SD) | 51±13 | 30–77 | |
Work status | |||
Occupational disability | 6 | 38 | |
Voluntary work | 5 | 31 | |
Employed | 4 | 25 | |
Retired | 1 | 6 | |
Marital status, living together | 11 | 69 | |
Primary cause of visual impairment | |||
Retinitis pigmentosa | 4 | 25 | |
Glaucoma | 2 | 13 | |
Ablatio retinae | 2 | 13 | |
Neurosarcoidosis | 1 | 6 | |
Congenital cataract | 1 | 6 | |
Usher syndrome | 1 | 6 | |
Ocular albinism | 1 | 6 | |
Retinoblastoma | 1 | 6 | |
Leber congenital amaurosis | 1 | 6 | |
Choroideremia | 1 | 6 | |
Diabetic retinopathy | 1 | 6 | |
Time since diagnosis in years (mean ± SD) | 18±15 | 1–49 | |
Comorbid diseases | 0–4 | ||
0 | 10 | 63 | |
≥1 | 6 | 37 | |
Fatigue severity | |||
FAS (mean ± SD) | 29±7 | 16–46 | |
Fatigued (FAS≥22) | 14 | 88 | |
Vision-related fatigue (mean ± SD) | 15±5 | 9–28 | |
Depressive symptoms | |||
PHQ-9 (mean ± SD) | 8±4 | 3–17 | |
Moderate/severe symptoms (PHQ-9≥10) | 6 | 38 |
FAS, Fatigue Assessment scale; PHQ-9: Patient Health Questionnaire.