This document defines occupational health as promoting physical, mental, and social well-being for workers. It lists the objectives of occupational health as maintaining worker health, preventing diseases and injuries, adapting workplaces to workers' needs, and taking a preventive approach. The document discusses occupational hazards like physical, chemical, biological, mechanical, and psychological hazards. It also outlines common occupational diseases from various causes and measures to prevent diseases, including medical exams, engineering controls, and legislation. Overall, the document provides an overview of occupational health, including its goals, common hazards and diseases, and approaches to disease prevention in workplaces.

1. HYGIENE
Occupational Health
Jinto George
Group – 5
Course – 3 rd Year

2. DEFINITION:
The joint international
labororganization committee on
Occupational health, 1950 defined
occupational health as
“The highest degree of physical, mental
and social well-being of workers in all
occupations.”

3. OBJECTIVES OF OCCUPATIONAL
HEALTH:
• To maintain and promote the physical, mental and
social well being of the workers.
• To prevent occupational diseases and injuries.
• To adapt the work place and work environment to
the needs of the workers i.e application of
ergonomics principle.
• It should be preventive rather than curative.

4. It represents a dynamic equilibrium
between the worker and his occupational
environment.
OCCUPATIONAL HEALTH

5. OCCUPATIONAL ENVIRONMENT
1
• Man and physical, chemical and
biological agents
2
• Man and machine
3
• Man and man

6. Work Health Interactions
Host (worker & family
Agent Environment
(workplace hazards) (external factors)

7. OCCUPATIONAL HAZARDS
Physical
hazards
Chemical
hazards
Biological
hazards
Mechanical
hazards
Psychological
hazards

8. OCCUPATIONAL DISEASES
• DISEASE DUE TO PHYSICAL AGENT
• Heat
• Cold
• Light
• Pressure
• Noise
• Radiation
• Mechanical factors
• Electricity

9. DISEASE DUE TO CHEMICAL AGENT
• Gases
• Dusts (pneumoconiosis)
Inorganic dust: coal dust; silica; asbestos;
iron
Organic(vegetable dust): cane fiber; cotton
dust; tobacco; hay or grain dust
• Metals and their compounds: lead ,mercury,
cadmium, manganese, beryllium,
arsenic,chromium.
• Chemicals
• Solvents: carbon bisulphide, chloroform

10. DISEASE DUE TO BIOLOGICAL AGENT
• Brucellosis, leptospirosis, anthrax, tetanus,
encephalities, fungal infection.
OCCUPATIONAL CANCER
• Cancer of the skin, lungs, bladder
OCCUPATIONAL DERMATOSIS
• Dermatitis, eczema
DISEASE OF PSYCHOLOGICAL ORIGIN
• Industrial neurosis, hypertension, peptic
ulcer.

11. PREVENTION OF OCCUPATIONAL
DISEASES.
MEDICAL
MEASURES
ENGINEERING
MEASURES
LEGIS-
LATION

12. PREVENTION OF OCCUPATIONAL DISEASE
• MEDICAL MEASURES
Pre-placement examination
Periodical examination
Medical and health care services
Notification
Supervision of working environment
Maintenance and analysis of records
Health education and counseling

13. Cont…
• ENGINEERING MEASURES
 Design of building
 Good housekeeping
 General ventilation
 Mechanization
 Substitution
 Dust-enclosure and isolation
 Local exhaust ventilation
 Protection device
 Environmental monitoring
 Statistical monitoring and research

14. Cont…
• LEGISLATION
The Factory Act-1948
The Employees state insurance act-1948

15. Ergonomics
• Fitting the job to the
worker
• Designing machines,
tools, equipment,
processes
• Layout
• Methods of works and
environment
• Ergon = work
• Nomos=
ErgonomicsErgonomics

16. MEASURES FOR HEALTH PROMOTION OF
WORKERS
• Nutrition
• Communicable disease control
• Environmental sanitation
• Mental health
• Measures for women and children
• Health education
• Family planning

17. What is occupational
health care?
Occupational health care is preventive health care,
which is provided on the basis of the Occupational
Health Care Act. The objective of occupational
health care is a healthy and safe working
environment, a well-functioning working community,
prevention of work-related diseases as well as the
maintenance of employees’ working ability and
functional capacity, and promotion of their health.

18. Advantages of
Occupational health care
•Investigates and assesses load factors and hazards
and gives expert assistance for eliminating them
•Gives information and advice
•Estimates employees’ working ability and monitors
their health condition
•Prevents occupational diseases and other work-
related illnesses

19. Components occupational
health services – CONT..
• Medical treatment, First aid treatment in
emergency.
• Medical examination
Pre employment examination
Periodic medical examination
Special medical examination

20. . Health counseling
. Stress management
. Mental health
. And Physical health
. Rehabilitation programme
Components occupational
health services - CONT..

21. • Assessment of dusts pollution
• Assessment of noise pollution
• Assessment of vibration
• Assessment heat radiation
• Assessment of radiation
Components occupational
health services – CONT..

22. THANKU Thanku….. 