Depth of Field graphic glitch?

[Shiita Malus]

 I have a decent computer and improved graphics card, and have had this happen on a different computer as well, however it hasn't always been there for me, jus the last year and a half and it makes taking pictures a real hassle.

 

http://www.flickr.com/photos/shiita/10981009065/

 

 Is there a way I can fix this? Or is there a possibility this is just a client issue?

Latest Client: Firestorm- Beta 4.5.1.38838  

Computer: Windows 7 Home Premium, Alienware AURORA_R4

Processor: Intel(R) Core(TM) i7-3820 CPU @ 3.60GHz 3.60 GHz

RAM: 8.00 GB

Type: 64-bit OS

 

Previously when I had a much lower performance computer about two years ago, I never had this issue with a DOF glitch. The glitch has also followed me through several client patches and updates.

[PeterCanessa Oh]

Hello.  You appear to have taken a picture that you don't like.

What is your question?

If it is "depth of field" in what way do you think the depth of field is glitfched?  If you do no want depth of field defocussing have you considered turning it off?

 

[MailboxJunkie]

I'm having the same issue, and to the person that replied, DoF adds a line across my screen as well, the issue is not that he deosn't enjoy DoF, it's that DoF adds an ugly diagnal line across the screen.
I'd really appreciate someone figuring this out.

[Edde Edman]

I have a powefull computer in 64bits with lots and lots of memory ram and video card ram.

The graphics is RADEON HD 7970

I'm having the same issue, the DOF adds a an ugly diagnal line across the screen with small triangles.
How can I fix it?