ääspot
Ääspot is a Finnish term that describes a specific type of visual phenomenon. It refers to a perceived shimmering or flickering effect that can occur in the periphery of one's vision, particularly in low-light conditions or when observing large, uniform surfaces. This sensation is often described as a transient, almost ghost-like movement or distortion that is not actually present in the external environment.
The phenomenon is thought to be related to the way the human eye and brain process visual
While the exact neurological mechanisms are still a subject of study, ääspot is understood as an example