1. Collaboration aims to reduce, treat vision problems in astronauts

    Collaboration aims to reduce, treat vision problems in astronauts

    To reduce and better treat spaceflight-induced visual impairment, University of Houston (UH) optometrists are collaborating on a NASA study that examines ocular changes seen in a number of astronauts. The research, developed by Heidelberg Engineering, uses Spectralis® Optical Coherence Tomography (OCT), which is a technique for obtaining subsurface images of translucent or opaque materials at a resolution equivalent to a low-power microscope. OCT effectively images reflections from within tissue to provide cross-sectional views. This technology is being used to investigate changes in visual acuity, intraocular pressure, the optic nerve and retinal structures in astronauts exposed to long-duration microgravity aboard the ...

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    1. With the Spectralis instrument, changes in retinal and optic nerve head anatomy can be monitored in astronauts on the ISS.
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