1. Before reporting any visual issues, make sure that your graphics drivers are updated. To do so:
NVIDIA
I. Download the latest drivers using the following link: https://www.nvidia.com/Download/index.aspx?lang=en-us
II. Download Display Driver Uninstaller and run it to remove previous versions of drivers.
III. Clean install drivers that you've downloaded in step 1.
AMD
I. Uninstall your graphics drivers using the AMD Cleanup Utility software.
II. Download and clean install the latest drivers from here: https://www.amd.com/en/support
2. Verify integrity of the game cache as described here.
3. Try reinstalling the game and loading an earlier gamesave before the issue occurred.
If this instruction does not help and the issue occurs after relaunching the game, click on the button below to report it providing us with a video that clearly shows this issue.