bathing illustrations and ritual purification

[MarcoP]

MarcoP,

I wouldn't discount your idea, because obviously I have no way of knowing what's really going on here, but just to present an alternative, since you ask for them in your last post:

It could be an image relating to ophtalmology. See the pose in these images (sorry, found on google, no idea where these are originally from):

Thank you VViews. interesting images! The one on the right is from You are not allowed to view links. Register or Login to view. f.93. The manuscript includes herbals and medical manuals.
You can paste a link in google images (or upload an image to search by) and it returns images identical or similar to the one you linked or uploaded.