Table 4.
Visual change | No | (%) |
Blurred vision | 512 | 46.1 |
Flashes of light | 461 | 41.5 |
Difficulty seeing at night | 418 | 37.6 |
Difficulty seeing depth | 311 | 28 |
Hallucinations | 282 | 25.4 |
Changing coloured patterns | 250 | 22.5 |
Shimmering light | 245 | 22 |
Pulsating lights | 236 | 21.2 |
Other visual changes | 235 | 21.1 |