Imaginary vision and Mirage

Mirage and imaginary vision are semantically related. In some cases you can use "Mirage" instead a noun phrase "Imaginary vision".

Mirage noun - An optical illusion in which atmospheric refraction by a layer of hot air distorts or inverts reflections of distant objects.

Imaginary vision and mirage are semantically related. You can use "Imaginary vision" instead a noun "Mirage".