Details
Add Vision Warp effect to your camera.
Add it to the Camera GameObject via the Components menu
CameraFilterPack > Vision > Warp
 
 
*without and with Camera Filter Pack Vision Warp
| Property | Range | Default | 
|---|---|---|
| Value | 0f to 1f | 0.6f | 
| Value2 | 0f to 1f | 0.6f | 
Manipulate Vision Warp by script
Example:
// Drag and Drop your Camera GameObject 
// with the Vision Warp component 
// to your current script on the CamFX_Vision_Warp field 
public CameraFilterPack_Vision_Warp CamFX_Vision_Warp; 
void Update() 
{
	CamFX_Vision_Warp.Value =  0.6f;
}