How will the helmet visor affect riding on an electric bicycle in the dark?

1. A A scratched or dirty helmet visor makes riding in the dark easier.
2. B A scratched or dirty helmet visor deflects the light and severely reduces vision in the dark.
3. C The visor aggravates the rider - even if the rider is unaware of this.
4. D Riding on a two-wheeled vehicle without a visor always helps improve vision in the dark.