NASA Photo ID: STS041-22-033       File Name: 10064424.jpg
  Film Type: 35mm                    Date Taken: 10/10/90
  Title: STS-41 crewmembers conduct DSO 0472 Intraocular Pressure on OV-103's middeck
  Description:
  STS-41 crewmembers conduct Detailed Supplementary Objective (DSO) 0472 
  Intraocular Pressure on the middeck of Discovery, Orbiter Vehicle (OV) 103.  
  Mission Specialist (MS) William M. Shepherd rests his head on the stowed 
  treadmill while Pilot Robert D. Cabana, holding Shepherd's eye open,
  prepares  to measure Shepherd's intraocular pressure using a tono pen (in
  his right  hand).  Objectives include: establishing a database of changes
  in intraocular  pressures that can be used to evaluate crew health;
  validating ten degree  head down bedrest as a model for cephalad fluid
  shifts in microgravity;  facilitating the interpretation of data by
  providing a quantative measure of  microgravity induced cephalad fluid
  shifts; and validating the tono pen as an  effective tool for diagnostic
  and scientific data collection.           
  Subject terms:
  ASTRONAUTS                              
  CREW PROCEDURES (INFLIGHT)              
  CREWS                                   
  DISCOVERY (ORBITER)                     
  INTRAOCULAR PRESSURE                    
  MEDICAL EQUIPMENT                       
  MIDDECK                                 
  ONBOARD ACTIVITIES                      
  SPACEBORNE EXPERIMENTS                  
  STS-41                                  
  

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