The online learning experience and reported headaches associated with screen exposure time among Saudi health sciences students during the COVID-19 pandemic.

Background: The COVID-19 pandemic has become a global health issue and has significantly impacted university education. As a result, learning methods have been shifted to be delivered through online learning. Online learning has increased reliance on computer screens, which can cause visual discomfort and may cause or exacerbate headaches due to prolonged screen exposure.