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Photo-iss034e035949
International Space Station Imagery
Astronauts Tom Marshburn and Chris Hadfield
high res (3.1 M) low res (91 K)
ISS034-E-035949 (21 Jan. 2013) --- NASA astronaut Tom Marshburn (right), Expedition 34 flight engineer, performs a Tonometry eye exam on Canadian Space Agency astronaut Chris Hadfield, flight engineer, in the Columbus laboratory of the International Space Station. The purpose of this exam is to measure intraocular eye pressure.

Curator: JSC PAO Web Team | Responsible NASA Official: Amiko Kauderer | Updated: 01/31/2013
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