Visual symptom | Number of patients (n = 22)* |
---|---|
*One patient experienced both impaired colour vision and visual distortions at onset. | |
Decreased visual acuity | 8 |
Blurred vision | 6 |
Peripheral visual field defect | 2 |
Visual distortions | 3 |
Impaired colour vision | 2 |
Palinopsia | 1 |
Tunnel vision | 1 |