sight vs visual modality

sight and visual modality both are nouns.

Word	Noun	Adjective	Verb	Adverb
sight	Yes	No	Yes	No
visual modality	Yes	No	No	No

As nouns, sight and visual modality are synonyms defined as:

Other synonyms of sight include vision, visual sense.

sight (noun)	visual modality (noun)
the act of looking or seeing or observing	the ability to see; the visual faculty
the ability to see; the visual faculty
an instance of visual perception
the range of vision
a range of mental vision
a place of interest, especially to visitors
anything that is seen
(often followed by `of') a large number or amount or extent

sight (verb)	visual modality (verb)
catch sight of; to perceive with the eyes
take aim by looking through the sights of a gun (or other device)