phosphene
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(fos′fēn″)

[Gr. phos, light, + phainein, to show]
A flash of light caused by chemical, electrical or mechanical stimulation of the retina, as when rubbing a closed eye.
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(fos′fēn″)

[Gr. phos, light, + phainein, to show]
A flash of light caused by chemical, electrical or mechanical stimulation of the retina, as when rubbing a closed eye.
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