Uhlin, Daniel, Sten Lutteman, J. Adrian M. Jennings, and Rune L. Brautaset. 2011. “Refractive Trends in Swedish Military Recruits”. Scandinavian Journal of Optometry and Visual Science 2 (1):1-5. https://doi.org/10.5384/sjovs.vol2i1p1-5.