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Questions and Answers
What is the primary goal of tertiary prevention in eye care?
What is the primary goal of tertiary prevention in eye care?
Which of the following strategies is NOT a community-based intervention for eye care?
Which of the following strategies is NOT a community-based intervention for eye care?
Which statement accurately reflects the role of social and psychological support in managing vision loss?
Which statement accurately reflects the role of social and psychological support in managing vision loss?
Which of the following best describes the approach of policy and advocacy in eye care?
Which of the following best describes the approach of policy and advocacy in eye care?
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Which of the following interventions would be considered an example of a surgical intervention for vision restoration?
Which of the following interventions would be considered an example of a surgical intervention for vision restoration?
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Which of the following are classified as behavioral risk factors for cardiovascular diseases?
Which of the following are classified as behavioral risk factors for cardiovascular diseases?
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What is meant by intermediate risk factors in the context of cardiovascular diseases?
What is meant by intermediate risk factors in the context of cardiovascular diseases?
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Which of the following statements regarding cancer is true?
Which of the following statements regarding cancer is true?
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What is the primary focus for preventing cardiovascular diseases?
What is the primary focus for preventing cardiovascular diseases?
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Which of the following is NOT considered a cause of cardiovascular diseases?
Which of the following is NOT considered a cause of cardiovascular diseases?
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Which contributing factor can directly influence a person's risk of developing cardiovascular disease?
Which contributing factor can directly influence a person's risk of developing cardiovascular disease?
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How are background risk factors defined in relation to cardiovascular diseases?
How are background risk factors defined in relation to cardiovascular diseases?
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What percentage of premature deaths from heart attacks and strokes could potentially be avoided?
What percentage of premature deaths from heart attacks and strokes could potentially be avoided?
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What is the primary reason for the increased risk of death among individuals with diabetes?
What is the primary reason for the increased risk of death among individuals with diabetes?
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Which age group is most frequently affected by diabetes in developing countries?
Which age group is most frequently affected by diabetes in developing countries?
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Which of the following complications is least likely to be associated with uncontrolled diabetes?
Which of the following complications is least likely to be associated with uncontrolled diabetes?
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What is the recommended amount of moderate-intensity physical activity to help prevent type 2 diabetes?
What is the recommended amount of moderate-intensity physical activity to help prevent type 2 diabetes?
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What percentage of deaths among people with diabetes is primarily due to cardiovascular disease?
What percentage of deaths among people with diabetes is primarily due to cardiovascular disease?
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Which intervention is not typically considered a cost-saving measure for diabetes care?
Which intervention is not typically considered a cost-saving measure for diabetes care?
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What is a critical urgent action needed to control the upcoming rise in diabetes-related deaths?
What is a critical urgent action needed to control the upcoming rise in diabetes-related deaths?
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What is the estimated number of people worldwide currently suffering from diabetes?
What is the estimated number of people worldwide currently suffering from diabetes?
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What is included in primary prevention strategies for preventing blindness?
What is included in primary prevention strategies for preventing blindness?
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Which of the following is a focus area in school-based programs related to mental health?
Which of the following is a focus area in school-based programs related to mental health?
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What is a common goal of secondary prevention strategies in eye care?
What is a common goal of secondary prevention strategies in eye care?
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Which of the following is NOT part of initiatives to support childhood interventions?
Which of the following is NOT part of initiatives to support childhood interventions?
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Which strategy is suggested for controlling risk factors related to eye diseases?
Which strategy is suggested for controlling risk factors related to eye diseases?
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What role does health promotion play in the prevention of blindness?
What role does health promotion play in the prevention of blindness?
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Which approach is emphasized to promote social-emotional learning in schools?
Which approach is emphasized to promote social-emotional learning in schools?
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What is a recommended intervention to prevent secondary blindness due to nutritional deficiencies?
What is a recommended intervention to prevent secondary blindness due to nutritional deficiencies?
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Which type of carcinogen is most closely associated with tobacco smoke?
Which type of carcinogen is most closely associated with tobacco smoke?
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Which cancer type is reported as the leading cause of cancer death among women in high-income countries?
Which cancer type is reported as the leading cause of cancer death among women in high-income countries?
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What is a significant risk factor for developing cervical cancer?
What is a significant risk factor for developing cervical cancer?
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Which of the following chronic respiratory diseases is directly linked to tobacco exposure?
Which of the following chronic respiratory diseases is directly linked to tobacco exposure?
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What characteristic of damp conditions can exacerbate respiratory disorders in children?
What characteristic of damp conditions can exacerbate respiratory disorders in children?
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Which common environmental exposure is cited as a risk for stomach cancer?
Which common environmental exposure is cited as a risk for stomach cancer?
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In low- and middle-income countries, which cancer type commonly reflects the underlying health risks?
In low- and middle-income countries, which cancer type commonly reflects the underlying health risks?
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What aspect of chronic illnesses is particularly concerning among children due to second-hand smoke?
What aspect of chronic illnesses is particularly concerning among children due to second-hand smoke?
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Which of the following is not a characteristic of non-communicable diseases?
Which of the following is not a characteristic of non-communicable diseases?
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What is a common risk factor that cannot be modified?
What is a common risk factor that cannot be modified?
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Which of the following diseases is most associated with the elderly age group?
Which of the following diseases is most associated with the elderly age group?
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Which of these is a modifiable risk factor?
Which of these is a modifiable risk factor?
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Which non-communicable disease is categorized as a 'silent killer'?
Which non-communicable disease is categorized as a 'silent killer'?
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What is considered a long-term risk factor for non-communicable diseases?
What is considered a long-term risk factor for non-communicable diseases?
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Which of the following is NOT typically classified under non-communicable diseases?
Which of the following is NOT typically classified under non-communicable diseases?
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What psychiatric disorder is often linked with non-communicable diseases?
What psychiatric disorder is often linked with non-communicable diseases?
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Study Notes
Non-Communicable Diseases
- Non-communicable diseases (NCDs) are diseases that cannot spread from person to person. Examples include cancer, heart disease, and cirrhosis.
- NCDs are not infectious.
- NCDs have a long duration and progress relatively slowly.
- Often, a person is unaware of the disease until examined. This is sometimes referred to as a "silent killer."
NCD Distribution by Age
- Younger age group: Accidents and injuries, Rheumatic Heart Disease, Diabetes, Blindness, Psychiatric disorders
- Elderly: Hypertension, Coronary Heart Disease, Diabetes Mellitus, Stroke, Malignancies, Obesity, Blindness, Psychiatric disorders, Respiratory Diseases, and others
Common Risk Factors
Non-Modifiable
- Age
- Sex
- Family History
- Genetic Factors
- Personality
Modifiable
- Cigarette Smoking
- Alcohol Abuse
- Dyslipidemia
- Sedentary Lifestyle
- Stress
- Environmental Risk Factors
- Inability to Access Preventative Healthcare Services
Causes/Risk Factors for Non-Communicable Diseases
- Unhealthy diet
- Tobacco use
- Physical inactivity
- Stress factors
- Overweight (obesity)
- Genetics
- Harmful alcohol use
- Environmental factors
Risk Factor Classification
- Background risk factors: Age, sex, education level, and genetic composition. These cannot be changed.
- Behavioral risk factors: Tobacco and alcohol use, unhealthy diet, and physical inactivity. These can be modified.
- Intermediate risk factors: Elevated blood lipids, diabetes, high blood pressure, and overweight/obesity. These can be controlled.
Cardiovascular Diseases
- Cardiovascular disease (CVD) is caused by disorders of the heart and blood vessels.
- CVD includes coronary heart disease (heart attacks), cerebrovascular disease (stroke), raised blood pressure (hypertension), peripheral artery disease, rheumatic heart disease, congenital heart disease, and heart failure.
- 80% of premature deaths from CVD could be avoided by controlling risk factors such as tobacco use, unhealthy diet and physical inactivity.
Cardiovascular Diseases: Contributing Factors
- Genetic makeup
- Lifestyle habits at a young age
- Socioeconomic status
- Mental health
- Diet
- Overweight and obesity
- Occupation
- Smoking
- Alcohol abuse
- Diabetes
- Urbanization
Cardiovascular Diseases: Prevention
- Maintaining healthy lifestyles
- Focusing on a combination of risk factors for CVD
- Providing regular medical screening to individuals at risk
- Providing effective and affordable treatment
Cancer
- Cancer is abnormal cell growth and spread originating from a single cell.
- Changes can be triggered by external factors or inherited genes.
- Cancer affects almost any part of the body.
- Its development is a multistage process in which the cell transforms into a tumor, and the growth invades surrounding tissues and metastasizes to other sites.
Cancer: Causes
- Physical carcinogens (e.g., UV radiation, asbestos)
- Chemical carcinogens (e.g., vinyl chloride, beta-napthylamine, components of tobacco smoke, aflatoxin, arsenic)
- Biological carcinogens (e.g., infections from certain viruses, bacteria, or parasites)
- Note: Most chemicals people encounter daily haven't been tested regarding long-term impact.
Cancer: Major Organs Affected
- Lung, breast, colorectal, stomach and liver cancers
- In high-income countries, lung cancer in men and breast cancer in women are leading causes of cancer death
- In low- and middle-income countries, cancer prevalence varies by underlying risks. Cervical cancer is a leading cause of death in Sub-Saharan Africa
Cancer: Risk Factors
- Tobacco use
- Unhealthy diet
- Insufficient physical activity
- Harmful alcohol use
- Infections (hepatitis B, hepatitis C, HPV, Helicobacter pylori)
- Radiation
- Environmental and occupational exposures
Chronic Respiratory Diseases
- Chronic respiratory diseases (e.g., asthma, COPD, lung cancer) can stem from exposure to tobacco, impacting the lungs.
- Second-hand smoke leads to severe respiratory health problems (e.g., asthma and reduced lung function) in children, becoming a prevalent chronic condition.
- Children are vulnerable to damp-related respiratory health issues, which include respiratory tract irritation, allergies, and asthma exacerbation. Poor housing, social conditions, and hygiene contribute to damp-related issues.
Diabetes
- Diabetes is a chronic metabolic disorder resulting from insufficient insulin production by the pancreas or from the body's inability to effectively utilize insulin.
- Approximately 347 million people worldwide have diabetes.
- Rapid increases in overweight, obesity, and physical inactivity are contributing to increasing numbers of diabetes cases.
- 80% of diabetes-related deaths happen in low- and middle-income countries.
Diabetes: Complications
- Elevated blood sugar damages blood vessels, heart, eyes, kidneys, and nerves.
- Diabetic retinopathy, neuropathy, are complications from uncontrolled diabetes.
- Diabetes is a leading cause of kidney failure.
- 10-20% of people with diabetes die of kidney failure.
- 50% of people with diabetes die of cardiovascular disease (mostly heart disease and stroke).
Diabetes: Prevention
- Achieve and maintain a healthy body weight.
- Regular moderate physical activity.
- Early diagnosis via inexpensive blood testing.
- Lower blood sugar and address other known risk factors that damage blood vessels.
- Quitting tobacco use.
Diabetes: Control
- Type 1 diabetes requires insulin, type 2 may be controlled with oral medications or insulin.
- Control blood pressure
- Foot care
- Screening and treatment for retinopathy (potentially leading to blindness)
- Control blood lipids
- Screening for and treatment of early signs of kidney disease
Obesity
- Obesity is a significant public health challenge. Its prevalence has tripled in many regions since the 1980s.
- Obesity is related to several physical and psychological complications.
- Obesity sharply increases the chances of developing non-communicable diseases (NCDs), including cardiovascular disease, cancer, and diabetes.
- The risk of developing multiple diseases (co-morbidity) increases with increasing body weight.
- Childhood obesity is a serious public health issue with children at high risk of becoming obese adults, often developing diabetes and CVDs early in life.
- Environmental support is crucial to shaping healthier lifestyle choices.
Obesity: Definition
- Overweight and obesity are defined as abnormal/excessive fat accumulation that affects health.
- Body mass index (BMI) measures weight relative to height is a common tool for classifying overweight and obesity.
- WHO defines overweight as BMI 25 or greater, and obesity as BMI 30 or greater.
Obesity: Prevention
- Individual responsibility is critical, paired with access to healthy lifestyles and support.
- WHO supports stakeholders for shaping environments to make healthy foods affordable.
Non-Communicable Diseases: Prevention and Control
- Preventing millions of deaths from NCDs requires strengthening existing measures and policies.
- This can involve government-wide actions such as enforcing anti-tobacco policies, improving dietary choices, encouraging physical activity, reducing harmful alcohol use, and improving accessibility to healthcare.
Other Preventative Measures
- Non-infectious diseases require avoiding triggers (e.g., allergies and asthma), eating healthy, exercising, and managing chronic conditions.
- Regular check-ups and testing for family-history conditions are recommended.
Preventing Blindness
- Strategies to prevent blindness can be grouped into primary (preventing onset), secondary (detecting and treating early), and tertiary (reducing the impact) prevention.
- Primary Prevention: Awareness programs, promoting protective measures (e.g., sunglasses), encouraging good hygiene, vaccination (e.g., measles) and improving nutrition.
- Secondary Prevention: Early screening for refractive errors, amblyopia, cataracts, glaucoma, and diabetic retinopathy, providing affordable and accessible treatment options.
- Tertiary Prevention: Conducting surgeries to restore affected vision, rehabilitating individuals with blindness, and offering social and psychological support.
Preventing Psychiatric Illnesses
- Individual strategies: Maintain a balanced lifestyle (diet, exercise, sleep), avoiding substance abuse and practicing stress management (mindfulness, meditation, or yoga), enhance resilience (coping skills, problem-solving skills, support network).
- Community strategies: Organize mental health education programs in schools, workplaces, and communities to reduce mental health stigma.
- Policy-level strategies: Integrate mental health services into primary healthcare; promote workplace wellness; address poverty, unemployment, housing insecurity; implement crisis helplines; establish screening programs in schools, workplaces, and clinics; enact anti-discrimination laws.
Further Prevention Considerations
- Childhood interventions: support parenting programs, early childhood education, identify and assist children with trauma or neglect; school based programs: promote social-emotional learning, anti-bullying initiatives, trauma-informed care.
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Description
Test your knowledge on community-based interventions and the role of social support in eye care. This quiz covers the goals of tertiary prevention, policy advocacy, and surgical interventions related to vision care. Enhance your understanding of effective strategies in managing vision loss.