Optical Coherence Tomography Technology Demonstration (OCT Tech Demo) - 09.17.14

Overview | Description | Applications | Operations | Results | Publications | Imagery
ISS Science for Everyone

Science Objectives for Everyone
Being weightless and floating in space causes changes to the shape of crew members’ eyes during and after space flight. Further studies of this issue require detailed monitoring of the health of the crew's eyes during space missions. Optical Coherence Tomography Technology Demonstration (OCT Tech Demo) tests a commercially available state-of-the-art device that uses reflected light to examine the eye. Optical coherence tomography produces detailed three-dimensional images of the retina, retinal nerve fibers and other eye structures and layers.
 

Science Results for Everyone
Information Pending



The following content was provided by , and is maintained in a database by the ISS Program Science Office.

Experiment Details

OpNom OCT

Principal Investigator(s)
Information Pending
Co-Investigator(s)/Collaborator(s)
Information Pending
Developer(s)
Johnson Space Center, Houston, TX, United States

Wyle Laboratories, Houston, TX, United States

Heidelberg Engineering, Heidelberg, , Germany

Sponsoring Space Agency
National Aeronautics and Space Administration (NASA)

Sponsoring Organization
Technology Demonstration Office (TDO)

Research Benefits
Space Exploration

ISS Expedition Duration
March 2013 - March 2014

Expeditions Assigned
35/36,37/38

Previous ISS Missions
Information Pending

^ back to top



Experiment Description

Research Overview

  • NASA launched an unmodified, commercially-available OCT device to ISS as a technology demonstration to assess the ability of the hardware to withstand launch conditions and operate within the unique ISS environment. The results of this technology demonstration are used to assess the acceptability of the unmodified unit to operate effectively on ISS. If the device does not function as needed, modifications to prevent device failure and to mitigate performance issues as a result of launch vibration, low convection, and usability of the device are to be implemented in the next generation device built specifically for ISS operations. If the device functions as required it will be certified for medical operations and research use on board the ISS.

Description
Information Pending

^ back to top



Applications

Space Applications

OCT devices monitor changes to crew members’ eyes during the course of a mission. Information from in-flight measurements provides real-time medical evaluations and improve data gathering for investigations studying visual impairment and intracranial pressure in space.  This knowledge is used to develop countermeasures to safeguard crew member vision.
 

Earth Applications

Patients with macular degeneration, retinitis pigmentosa and other eye diseases need regular eye exams, but may be unable to access doctors, especially in rural areas. OCT devices are used in telemedicine applications, so doctors can examine a patient at another location. Remote guidance between crew members and investigators on the ground  improves telemedicine strategies, practices and procedures for patients on Earth.
 

^ back to top



Operations

Operational Requirements

• Thermal IR Images
• Quality Score and Calibration Spectrum
• OCT Log Files
• Minimum 2 subjects for eye exams
 

Operational Protocols

• 36-0241 OPTICAL COHERENCE TOMOGRAPHY (OCT) HARDWARE ENGINEERING CHECKOUT
• 37-0143 OPTICAL COHERENCE TOMOGRAPHY (OCT) IMAGING AND THERMAL ANALYSIS
 

^ back to top



Results/More Information
Information Pending

^ back to top



Related Websites

^ back to top



Imagery

image
Computer aided model of the commercial OCT unit, manufactured by Heidelberg Engineering, Heidelberg Germany, and adapted by NASA with components for ISS flight configuration (NASA Image)

+ View Larger Image


image
NASA Image: ISS038E011806 - Japan Aerospace Exploration Agency astronaut Koichi Wakata, performs OCT examination on board the ISS.

+ View Larger Image


image
Japan Aerospace Exploration Agency astronaut Koichi Wakata, performs OCT examination on board the ISS. (NASA Image)

+ View Larger Image


image
Clinical diagnostic setup of a Spectalis ® Multi-Modality Imaging, Spectral-Domain OCT unit.  (Image Credit: Heidelberg Engineering)

+ View Larger Image