1. 2018. Resource of the Week: What is most accessible light text on dark background or vice versa?https://www.esa.org/communication-engagement/2018/08/03/resource-of-the-week-what-is-most-accessible-light-text-on-dark-background-or-vice-versa/
2. 2020. Common eye disorders and diseases. https://www.cdc.gov/visionhealth/basics/ced/index.html
3. 2021. Accessibility Requirements for People with Low Vision. https://w3c.github.io/low-vision-a11y-tf/requirements.html#visual-impairments
4. 2021. Light sensitivity. https://www.aao.org/eye-health/symptoms/light-sensitivity
5. 2022. Color vision. https://en.wikipedia.org/wiki/Color_vision