Disease prevention is a procedure through which individuals, particularly those with risk factors for a disease, are treated in order to prevent a disease from occurring. Treatment normally begins ...

MINERS' nystagmus is a disease which incapacitates a large number ... Miners' Nystagmus: its Causes and Prevention. By Dr. T. Lister Llewellyn. With a preface by Prof. J. S. Haldane, F.R.S ...