Table 1 Demographic characteristics of 291 patients with EYS-associated retinal dystrophy
From: Clinical characteristics of EYS-associated retinal dystrophy in 291 Japanese patients
All (N = 291) | |
|---|---|
Mean age ± SD (years) at initial visit | 45.6 ± 14.9 |
Missing | 2 (0.7%) |
Gender, N (%) | |
Men/Women | 141 (48.5%)/ 150 (51.5%) |
Mean follow-up period (range) (years) | 7.7 ± 6.3 (0–27.4) |
Missing | 19 (6.5%) |
Mean age ± SD (years) at onset | 25.8 ± 14.9 |
Missing | 46 (15.8%) |
Symptom at onset | |
Night blindness | 195 (67.0%) |
Visual field defects | 24 (8.2%) |
Visual acuity decrease | 19 (6.5%) |
Others | 10 (3.4%) |
Missing | 43 (14.8%) |
Family History | 83 (28.5%) |
Missing | 2 (0.7%) |
Consanguinity of parents | 27 (9.3%) |
Missing | 4 (1.4%) |
Disease type, N (%) | |
Rod-cone dystrophy | 279 (95.9%) |
Cone-rod dystrophy | 7 (2.4%) |
Others | 5 (1.7%) |
Ocular characteristics | |
Lens status: pseudophakia, N (%) | 99 (34.0%) |
Missing | 7 (2.4%) |
Previous vitrectomy, N (%) | 4 (1.4%) |
Macula complication | |
Epiretinal membrane | 33 (11.3%) |
Macular edema | 11 (3.8%) |
Rhegmatogenous retinal detachment | 1 (0.3%) |
Visual acuity | |
Mean logMAR BCVA ± SD at initial visit | 0.34 ± 0.56 |
Missing | 16 (5.5%) |
Mean logMAR BCVA decrease ± SD/yr | 0.03 ± 0.06 |
