Abstract
Abstract : The effects of weightlessness and other space environmental conditions on vision have received little attention since the visual acuity experiments performance by Dr. Duntley, circa 1968. Although several subsequent investigators have attempted to construct vision testers suitable for use in space, none was fully successful until the production of the device described in this report. The report describes a device submitted by the AF Aerospace Medical Research Laboratory for inclusion aboard several NASA Shuttle Flights, in an attempt to detect and quantify certain changes in visual performance cause by the environmental conditions experienced while in earth orbit. Originator- supplied keywords include: Visual assessment, Visual function, Visual performance, Space shuttle, and Optical devices.
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