On-orbit ultrasound of optic nerves of the fourth case of visual changes from long-duration spaceflight. In-flight ultrasound shows proximal kinking and increased ONSD of approximately 12 mm that is consistent raised ICPs. Optic nerve shown in purple and the ONSD in green.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]