Google Operating System noticed that Google Image search added navigational arrows to browse through image search results large thumbnail by large thumbnail.
When you load the image results, click on an image to see a larger preview; you will see arrows left and right on each side of the black background of that image thumbnail preview.
Here is a screen capture:
We suspect with these navigational arrows added to the new image search design that referrer traffic from image search will even decline more so than before the navigational elements that have been added. We will keep an eye on the webmaster reaction to this change and report back the figures we find.