A sensation of light caused by excitation of the retina by mechanical or electrical means rather than by light, as when the eyeballs are pressed through closed lids.
ETYMOLOGY:
French phosphène : Greek phs, light; see phos– + Greek phainein, to cause to appear, to show; see bh-1 in Appendix I.
f
s
f
n
s, light; see phos– + Greek phainein, to cause to appear, to show; see bh
-1 in Appendix I.
