From Wiktionary, the free dictionary
From non- + photic.
nonphotic (not comparable)
- Not photic in nature or origin; unrelated to visible light
1988 February 5, Cecil Adams, “The Straight Dope”, in Chicago Reader[1]:BBs, "stars," and other "nonphotic" visual stimuli (i.e., those not actually produced by light) are called photopsia or phosphenes.