<ul><li>Eye checks and stomach scans dominated the research schedule aboard the International Space Station on Thursday ensuring astronauts stay healthy in weightlessness.</li><li>A variety of eye exams help researchers track and understand the space-caused optical symptoms and develop treatments to keep crews healthy.</li><li>NASA astronauts undergo eye exams using ultrasound and medical imaging devices to examine the cornea, lens, and optic nerve.</li><li>In addition, astronauts participate in ultrasound scans of their stomachs to study how weightlessness impacts the digestion system.</li></ul>

Crew Works Eye Checks, Stomach Scans Before Cargo Mission Launches Today

Discover more