How to make a blur/grain effect kinda

Hi, I am making a horror game and I want to have a blur/grain effect or whatever it’s called, here’s a example of what I mean:

The screen like gets a vignette or something.

This was likely done with the Vignette Image Effect. Image Effects are Pro only:

http://docs.unity3d.com/Documentation/Components/script-Vignetting.html