A job accommodation is a reasonable adjustment to a job or work environment that makes it possible for an individual with a disability to perform job duties. Determining whether to provide accommodations involves considering the required job tasks, the functional limitations of the person doing the job, the level of hardship to the employer, and other issues. Accommodations may include specialized equipment, facility modifications, adjustments to work schedules or job duties, as well as a whole range of other creative solutions.

http://www.dol.gov/dol/topic/disability/

jobaccommodations.htm