Line of sight and Visual field

Line of sight noun - An imaginary straight line along which an observer looks.

Visual field and line of sight are semantically related. In some cases you can use "Visual field" instead a noun phrase "Line of sight".

Visual field noun - All of the points of the physical environment that can be perceived by a stable eye at a given moment.

Line of sight and visual field are semantically related. You can use "Line of sight" instead a noun phrase "Visual field".