These are commonly known as seeing guide dogs (SGD). They help their blind or visually impaired handlers to be independent by leading them to preset place that is devoid of any threat.
Job: To guide their visually impaired or blind handler.
Gear for these Visual Assistance Dogs are harness, typically bit white at some parts.
White reveals protection by the guide dogs for visually impaired individuals.
These dogs are also known as “Guide Dogs” or “Leader Dogs”.
Example German Shepherds, Golden retrievers. Sturdy, even tempered, medium or large breed dogs are ideal for this type of service.