Courts and other tribunals have found health-related medical  standards to constitute a BFOR where it has been shown that the standard is  reasonably necessary to assure the efficient and economic performance of the  job without endangering the employee, his fellow employees and the general  public. There are two aspects to this test - the "performance" aspect and  the "risk" aspect.
 Canada (FAC) (T.D.P.), (1991) 15 C.H.R.R. D/197 (acuité visuelle); Bouchard  c. Canada (FAC) (T.D.P.), (1992) 15 C.H.R.R. D/362 (calculs rénaux);  Procureure générale du Canada c. Beaulieu (C.A.F.) décision non publiée  rendue le 25 février 1993 (épilepsie); Procureur général du Canada c.