Ocular Health: Commander (CDR) Swanson continued his Flight Day (FD) 60 Ocular Health vision tests. Flight Engineer (FE)-6 Gerst and Swanson took turns using the Optical Coherence Tomography (OCT) to measure each other’s retinal thickness, volume, and retinal nerve fiber layer. Then they each used the fundoscope to obtain images of the retinal surfaces. The …



