From: Retinal and optic nerve degeneration in α-mannosidosis
n of patients | 32 |
Sex, male/female | 19 (59.4%)/13 (40.6%) |
Age, years | |
1st presentation | 18.4 ± 11.8 (1–53) |
Last presentation | 20.8 ± 11.6 (3–53) |
BCVA, decimal | |
1st presentation | 0.56 ± 0.28 (0.04–1.00) |
Last presentation | 0.60 ± 0.25 (0.10–1.00) |
ERT with velmanase alfa | 7 (21.9%) |
Ocular pathologiesa | |
Lens opacity | 3 (9.4%) |
Corneal haze | 2 (6.3%) |
Optic nerve atrophy, also partial | 6 (18.8%) |
Tapeto-retinal degeneration (by funduscopy) | 3 (9.4%) |
Tapeto-retinal degeneration (by OCT) | 6/8 b |
Tapeto-retinal degeneration (by photo) | 3/8 b |
Manifest strabismus | 6 (18.8%) |
Nystagmus | 4 (12.5%) |
Saccadic/hypometric eye movements | 5 (15.6%) |