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    By Lisa B. Arbisser, MD; John Berdahl, MD
    AAO 2015
    Comprehensive Ophthalmology

    In this interview from AAO 2015, Dr. John Berdahl discusses Vision for Mars, a public-private partnership investigating a newly described visual impairment and intracranial pressure syndrome in astronauts. The syndrome is associated with extended space travel, and includes a hyperopic shift, posterior flattening of the globe, choroidal folds and papilledema.