Does anyone know what this was called (people that played in 2016-17)

toxik_survivor

It's when there was a blur in the distance- you looked into the distance and it was blurry creating a spooky effect. It is called Depth of Field in a movie production stand point but what was it called in dead by daylight. I'm going through the patch notes (starting from 1.1) and I just can't seem to find it anywhere, so I need the exact name that the devs called it.

Thanks!