Natural vs Artificial Light for Vision and Circadian Health: Evidence-Based Guidance on Light Exposure
Light exposure is a primary environmental cue that entrains circadian rhythms and supports ocular and neurobiological functioning. When sunlight is unavailable, clinicians and sleep medicine specialists often discuss how to approximate the key biological effects of natural light using artificial lighting—particularly in settings such as shift work, winter seasons, indoor occupations, or limited outdoor access.… Read More »