Whats Really Happening When We See ‘Stars’ After Rubbing Our Eyes? | Duke Department of Ophthalmology

Sometimes “we see light that actually comes from inside our eyes or from electric stimulation of the brain rather than from the outside world,” Wen says. “These bursts of seemingly random intense and colorful lights are called phosphenes, and appear due to electrical discharges from the cells inside our eyes that are a normal part of cellular function.”

— Read on dukeeyecenter.duke.edu/news-events/whats-really-happening-when-we-see-stars-after-rubbing-our-eyes

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