Meaning of VISUAL MODALITY

WordNet Dictionary
	Definition:		[n]  the ability to see; the faculty of vision
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	Synonyms:		sight, vision, visual sense
	See Also:		achromatic vision, acuity, binocular vision, central vision, chromatic vision, color vision, daylight vision, distance vision, exteroception, eyesight, modality, monocular vision, near vision, night vision, night-sight, peripheral vision, photopic vision, scotopic vision, seeing, sense modality, sensory system, sharp-sightedness, sightedness, trichromacy, twilight vision, visual acuity