Every so often the game GUI shifts up or down as seen here, that gap, then the whole thing will shift back into normal postion
I don’t know what causes it but happens a lot, and it doesn’t seem to affect game play other then making me think the Doc goofed on the eye surgery 
All drivers are current.
Windows 7 Home Premium 64-Bit
Alienware R4
Intel® Core™ i7-4820 CPU @ 3.70GHz 3.70GHz
16GB RAM
Graphics:
GeForce GTX 760 (2)