Field of view and Visual image

Field of view noun - The area that is visible (as through an optical instrument).

Visual image and field of view are semantically related. In some cases you can use "Visual image" instead a noun phrase "Field of view".

Visual image noun - A mental image that is similar to a visual perception.

Field of view and visual image are semantically related. Sometimes you can replace phrase "Field of view" with "Visual image", this phrases are similar.