I googled visually-impaired scouting and came up with these sites
http://www.blueridgecouncil.org/brcic/Advancement.aspx
Recordings of the Boy Scout Handbook and various merit badge pamphlets are available through Recordings for the Blind and Dyslexic at 800-221-4792.
http://library.sd.gov/b&tb/newsletters/kids/2002/2002fall.htm
Boy Scout and Girl Scout Manuals Available
If you are a Boy Scout or Girl Scout and would like a copy of your handbook on cassette or braille, please call the library at 1-800-423-6665.