P3H4O1S1P3H4E1N1E1S1
20 points
PHOSPHENES is validvalid
PHOSPHENE, [n]
PHOSPHENE, a visual sensation produced by mechanical stimulation of the retina, as by pressure on the eyeball [n]
PHOSPHENE, [n]
PHOSPHENE, a visual sensation produced by mechanical stimulation of the retina, as by pressure on the eyeball [n]