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my experience with episcleritis and dry eye is that the vision loss associated is mild. In my opinion, if there is significant decrease in vision, you need to be re-evaluated for something more serious such as an iritis which is when the inflammation moves in to the eyeball itself rather than the surface as in episcleritis, Regards XXXXX
maxitrol should not blur the vision, it is not a dilator at all. It could indeed be an eye problem associated with arthritis, I dont think the CF has anything to do with it though.....