Daylight in Buildings and Visual Comfort Evaluation: the Advantages and Limitations

Exposure to daylight significantly affects the psychological well-being of occupants by diminishing headaches, eye tensions, or stress. Daylight penetration is a matter collaboration between building façade and perimeter zones that can be controlled through design features. This study reviews available daylighting systems block redirect natural light inside space their overall performance. Adaptation found main key feature improve effectiveness in indoor environments. As implication such on visual comfort performance occupants, list quantitative indices studied based mathematical equation outline advantages limitations. Findings revealed lack agreement acceptable illuminance thresholds for most absence reliable glare index presence sun within view field occupant. Similarly, many green certifications propose specific criterion assess out but remained challenge future studies.