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Dog professionally trained to guide and protect its blind master. They have also been used to assist persons with hearing impairments and restricted mobility. Systematic training of guide dogs originated in Germany during World War I to aid blinded veterans. At the age of approximately one year, the dog is trained for three or four months. Retrievers and German shepherds are the most widely used breeds.
Variants of GUIDE DOG
guide dog or Seeing Eye dog
This entry comes from Encyclopædia Britannica Concise. For the full entry on guide dog, visit Britannica.com.