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[这个贴子最后由hais在 2002/05/31 02:33pm 编辑]

http://www.visual-edge.org/
http://www.visionhelp.com/
http://www.covd.org/
http://www.healthy.net/
http://www.optometrists.org/
http://www.exploratorium.edu/exhibits/f_exhibits.html