phosphenePronunciation: /ˈfɒsfiːn/Definition of phosphene noun a sensation of a ring or spot of light produced by pressure on the eyeball or direct stimulation of the visual system other than by light. Origin: late 19th century: formed irregularly from Greek phōs 'light' + phainein 'to show'phosphene in other Oxford dictionaries Definition of phosphene in the US English dictionary
