The article is:
Role of Cerebrospinal Fluid in Spaceflight-induced Ocular Changes and Visual Impairment in Astronauts
https://doi.org/10.1148/radiol.2017161981
It can be found, as usual at SciHub Moscow. So the Russians who use Sci Hub Moscow can read it, but American doctors who subscribe to Radiology cannot...
The original article is worth reading, it talks about choroidal folds and visual impairment that lasts for years after space flight.