Ocular Health Ultrasound Eye Imaging: Flight Engineer (FE)-6 Nyberg and FE-5 Parmitano performed their Flight Day (FD) 90 session of the Ocular ultrasound experiment. The data gathered in these sessions will be used to identify changes in globe morphology, including flattening of the posterior globe, and document optic nerve sheath diameter (ONSD), optic nerve sheath …