Relationship between irradiation direction of the light source and direction of visual axis

摘要

Retinal illuminance was the effective illuminance vector arrived at the retina;This article engaged in a study of the irradiation direction of the light source and the direction of the visual axis under two cases: the light source to regular reflection surface and irregular reflection surface, and tried to inquiry in what proportion of lighting flux can actually arrive at places needed and the retina based on the research of angle relationships, it can give guidance for indoor and outdoor lighting design.