i t g_ S°· &> ij, ~ " ~ Tertiary Prevention Tertiary prevention limits disability progression. The nurse attempts to reduce the magnitude or severity of the res\dua\ effects of both infectious diseases (e. g. hearing impairment from frequent ear infections or impaired vision from severe conjunctivitis and shingles) and non-tommunicab\e ones (e. g. mental illness, cardiovascular-diseases, COPD). Day care centers and sheltered workshops are examples of opportunities to achieve the objective of tertiary prevention in mental illness and drug abuse. . TABLE 714 NATURAL HISTORY OF DISEASE ~ND ~PLIC!ATION p F DIFFERENT LEVELS OF DISEASE PREVENTION (LEAVALL & CLARK, 1968) Stage Events Level of Application of Preventive Specific Interventions...-. Health promotion - Health education.. I Nutrition counseling . Adequate housfng Interrelations ofvario'us host, Personal hygiene agent and environmental factors Environmental sanitation I Prepathogenesis bring host and agent together Primary prevention: alms to prevent Family planning or susceptlblnty Disease-provok io¢stlrnulu~ I~ development of disease E>entai hygiene prod·uced in the known host Specific protection - lmmuni2ation-Chemoprophyla Kis . Protec. lion ag. ilnst ln Juries and occupationalhai. irds ,, Interaction of host and sumulus Secor:1darv prevention : alms to: Stimulus or agent b-ecomes Promptly diagoose and treat disease Early dfagnosls and prompt II Pathogenesis established (lfirifectious agent Prevent spread of disease to healthy treatment Screening · Early pathogenesis Increases by m!,lltip!ication) population Case-finding Beglnhlng tissue and physiological Prevent complications aod sequefae Selective examinatioo changes Shorten period of disability..i'. ·: '. ? ... ~ 