Orientation and mobility
Encyclopedia
Orientation and Mobility or O&M is a profession which focuses on instructing individuals who are blind
Blindness
Blindness is the condition of lacking visual perception due to physiological or neurological factors.Various scales have been developed to describe the extent of vision loss and define blindness...

 or visually impaired
Visual impairment
Visual impairment is vision loss to such a degree as to qualify as an additional support need through a significant limitation of visual capability resulting from either disease, trauma, or congenital or degenerative conditions that cannot be corrected by conventional means, such as refractive...

with safe and effective travel through their environment. Individual O&M instructors can work for schools, government agencies or do private contracting for their services.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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