Twilight vision and Visual modality

Twilight vision noun - The ability to see in reduced illumination (as in moonlight).

Visual modality and twilight vision are semantically related. In some cases you can use "Visual modality" instead a noun phrase "Twilight vision".

Visual modality noun - The ability to see; the visual faculty.

Twilight vision and visual modality are semantically related. Sometimes you can replace phrase "Twilight vision" with "Visual modality", this phrases are similar.