Yes, I mentioned Arabic, Hebrew, and Farsi. However, I think we may be talking about different things. What I have encountered is assertions about
preferences, not about differences in saccades. There is a bunch of stuff posted on the web about these preferences, but it's a hodge-podge of unsupported ideas and research that is off track for this purpose, like this:
https://www.edge.org/response-detail/27154.
I find that I personally often find that left-to-right images feel more balanced, but I've only attended to this in a few cases. Whether it's a general pattern or not, sometimes it's worth flipping the image to see if the reversed one is more pleasing.