OPN1MW and red-green color blindness: The number of anti-seizure medications (OR: 12.28, 95% CI: 1.27–118.8), knowledge of CBD as treatment for epilepsy (OR: 14.7, 95% CI: 1.43–150.87), and knowledge of CBD side effects (OR: 12.73, 95% CI: 2.77–58.43) were factors significantly associated with CBD use.