Definition, Meaning & Synonyms

phosphene

noun

/ˈfɒs.ɪn/

Definition

A phosphene is a visual phenomenon characterized by seeing light without light actually entering the eye, often experienced when pressure is applied to the eyes.

Examples

After pressing on her closed eyes, she saw bright spots and patterns, a clear phosphene response.
Phosphenes can be observed when you rub your eyes, creating a fleeting, colorful experience.
Scientists study phosphenes to understand the workings of the visual system better.

Meaning

Phosphenes occur when retinal cells are stimulated mechanically rather than through normal visual inputs, leading to the perception of flashes or patterns of light.