Meaning & use
phosphene
Last updated
A sensation of seeing light or patterns without light actually entering the eye, often caused by pressure on the eyeball or the retina.
See it in a sentence
Rubbing her closed eyes produced swirling phosphenes across her field of vision.
Researchers study phosphenes to better understand how the visual cortex processes stimulation.
A note on using this word
Often experienced after a sneeze, a bump to the head, or gentle pressure on the eyes; unrelated to hallucinations produced by the brain itself.
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