title: Protection of employees with defective vision.
mesh_terms: D005124:Eye Abnormalities; D005128:Eye Diseases / Q000517:prevention & control*; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control; D009787:Occupational Medicine; D014786:Vision Disorders / Q000517:prevention & control*; D014787:Vision Tests