Litraas
Litraas is a term that has seen some usage to describe a specific phenomenon related to the perception of light and shadow. It is often associated with the visual experience of encountering a sudden shift in illumination, such as stepping from a brightly lit area into a darker one, or vice versa. This perceptual shift can cause a temporary disorientation or a feeling of blindness as the eyes adjust. The term is not a formally recognized scientific or psychological term but rather a descriptive one that has emerged in certain contexts to articulate this common experience. It is sometimes used colloquially to denote the brief period of visual impairment that occurs during such transitions. The intensity of the litraas effect is dependent on the magnitude of the difference in light levels between the two environments. For instance, moving from direct sunlight into a dimly lit room will typically produce a more pronounced litraas than moving from shade into a moderately lit interior. The biological mechanism behind this experience involves the photoreceptor cells in the retina, specifically rods and cones, and their adaptation processes to varying light conditions.