Economics of Eye Care — MCQs
Which of the following is NOT an approach followed in revised NPCB cataract surgeries?
Based on healthcare utility values and life expectancy, which of the following measures can be calculated? Consider a scenario where the average life expectancy for a woman in Japan is 87 years, and there is an increase in life expectancy due to healthcare advancements.
A patient complains of an inability to read a newspaper, particularly in bright sunlight. What is the most likely diagnosis?
Which of the following best describes economic blindness?
In which of the following methods of management is the benefit measured in natural units?
Vision 2020 includes all of the following, except?
Which of the following is NOT considered an element of primary healthcare?
All are ophthalmological emergencies except -
What is the target population for a Secondary Service Center as per the Vision 2020 initiative in India?
Vision 2020 "The right to sight" includes all except-
Economics of Eye Care Indian Medical PG Practice Questions and MCQs
Question 1: Which of the following is NOT an approach followed in revised NPCB cataract surgeries?
- A. Mobile surgical camps
- B. Consistent follow-up care
- C. Fixed-site surgical treatment alone (excluding camps) (Correct Answer)
- D. Standardized distribution of resources
Explanation: ***Fixed-site surgical treatment alone (excluding camps)*** - The revised **National Programme for Control of Blindness and Visual Impairment (NPCBVI)** adopts a **multi-pronged integrated approach** combining both fixed-site facilities and mobile outreach camps. - Relying **exclusively on fixed-site treatment** without mobile camps is **not the strategy** of the revised program, as this would limit access for rural and underserved populations. - The program emphasizes **both institutional capacity** (fixed sites at district hospitals and eye hospitals) **and community outreach** (mobile surgical camps) working together. *Mobile surgical camps* - **Mobile camps** are a crucial strategy in the revised NPCB to reach underserved populations in rural and remote areas. - They enhance **accessibility to care** and increase surgical coverage, particularly in areas without nearby fixed facilities. - Camps are conducted with **quality standards** and linked to fixed sites for follow-up care. *Consistent follow-up care* - **Comprehensive follow-up** is a cornerstone of the revised NPCB to ensure positive outcomes and address complications. - This includes **post-operative care protocols** at both camp and fixed-site surgeries to reduce morbidity. - Follow-up mechanisms help achieve the program's goal of **quality cataract surgery outcomes**. *Standardized distribution of resources* - The revised NPCB promotes **equitable and efficient allocation** of resources to ensure quality cataract services across regions. - This includes distribution of **equipment, consumables, trained personnel, and funding** based on need and surgical load. - Resource standardization helps maintain **quality benchmarks** across different service delivery models.
Question 2: Based on healthcare utility values and life expectancy, which of the following measures can be calculated? Consider a scenario where the average life expectancy for a woman in Japan is 87 years, and there is an increase in life expectancy due to healthcare advancements.
- A. HALE
- B. DALY
- C. DFLE
- D. QALY (Correct Answer)
Explanation: ***QALY*** - **Quality-Adjusted Life Years (QALYs)** combine the length of life with the **quality of life** lived, taking into account healthcare utility values (e.g., from 0 for dead to 1 for perfect health). - An increase in life expectancy due to healthcare advancements, coupled with assumed utility values, directly enables the calculation of QALYs gained or lost. *HALE* - **Health-Adjusted Life Expectancy (HALE)** is a measure of the average number of years that a person can expect to live in "**full health**" by adjusting for years lived in less than full health due to disease or injury. - While it incorporates health status, it specifically focuses on time lived in full health rather than the utility-weighted quality of life over the entire lifespan as QALYs do. *DALY* - **Disability-Adjusted Life Years (DALYs)** measure the total number of healthy years lost due to disease, disability, or premature death. - DALYs are a measure of disease burden, quantifying years lost, whereas QALYs are a measure of health gains or health states. *DFLE* - **Disability-Free Life Expectancy (DFLE)** measures the expected number of years an individual will live without disability. - While it considers the absence of disability, it does not incorporate the concept of "utility values" or varying degrees of health-related quality of life beyond a binary disabled/non-disabled state, as QALYs do.
Question 3: A patient complains of an inability to read a newspaper, particularly in bright sunlight. What is the most likely diagnosis?
- A. Nuclear cataract
- B. Cortical cataract
- C. Posterior subcapsular cataract (Correct Answer)
- D. Congenital cataract
Explanation: ***Posterior subcapsular cataract*** - This type of cataract causes significant **glare** and **photophobia**, making it difficult to read in bright light due to opacities located at the **posterior lens capsule**. - The patient experiences worsening vision in **bright light** conditions because the constricted pupil directs more light through the **central posterior opacity**, which lies directly in the visual axis. *Nuclear cataract* - Patients with **nuclear cataracts** typically experience **myopic shift** and improved near vision (second sight) due to increased refractive power of the lens. - Vision is usually worse in **dim light** conditions because of pupillary dilation, which allows more light to pass through the central opacity. *Cortical cataract* - Characterized by **spoke-like opacities** that start in the periphery and extend inward. - While it can cause glare, vision often remains good until the opacities encroach upon the **visual axis**, and it doesn't specifically cause worsening vision in bright light to the same degree as PSC. *Congenital cataract* - Present at birth or shortly after, and symptoms depend on the density and location of the opacity. - While it affects vision, the specific complaint of difficulty reading in bright sunlight is not a typical distinguishing feature of **congenital cataracts**.
Question 4: Which of the following best describes economic blindness?
- A. Blindness that is expensive to treat.
- B. A level of blindness that prevents an individual from earning a livelihood. (Correct Answer)
- C. Blindness affecting only economically disadvantaged populations.
- D. Blindness due to economic factors like malnutrition.
Explanation: ***A level of blindness that prevents an individual from earning a livelihood*** - **Economic blindness** refers to the degree of vision impairment severe enough to render an individual unable to perform economically productive tasks. - This definition emphasizes the **socioeconomic impact** of vision loss rather than the clinical severity alone. *Blindness that is expensive to treat* - This option describes **costly treatments** for blindness, which is a different aspect of healthcare economics. - While treatment costs can be a burden, they do not define the concept of economic blindness itself. *Blindness affecting only economically disadvantaged populations* - While **disadvantaged populations** may have a higher prevalence of blindness, economic blindness can affect individuals from any socioeconomic background if their vision loss prevents them from working. - This option incorrectly limits the scope of economic blindness to a specific demographic. *Blindness due to economic factors like malnutrition* - This option describes the **etiology** or cause of blindness (e.g., malnutrition due to poverty). - While economic factors can certainly lead to vision impairment, **economic blindness** refers to the functional impact of blindness on an individual's ability to earn a living, not its cause.
Question 5: In which of the following methods of management is the benefit measured in natural units?
- A. Network analysis
- B. Cost-benefit analysis
- C. Program budgeting system
- D. Cost-effectiveness analysis (Correct Answer)
Explanation: ***Cost-effectiveness analysis*** - In **cost-effectiveness analysis**, the benefits of a healthcare intervention are measured in **natural units** (e.g., lives saved, years of life gained, cases cured, reduction in symptoms). - This method compares the costs of different interventions to achieve a specific health outcome, expressed in a non-monetary unit. *Network analysis* - **Network analysis** is a project management technique used to plan and control complex projects, often for scheduling tasks and identifying critical paths. - Its primary focus is on task dependencies and timelines, not on measuring benefits of management interventions in natural units. *Cost-benefit analysis* - In **cost-benefit analysis**, both the costs and the benefits of an intervention are converted into **monetary units**. - This allows for a comparison where a project is deemed beneficial if its monetary benefits outweigh its monetary costs. *Program budgeting system* - A **program budgeting system** is a financial planning and management tool that links expenditures to the achievement of specific program objectives. - While it focuses on resource allocation and outcomes, it does not primarily measure benefits in natural health units.
Question 6: Vision 2020 includes all of the following, except?
- A. Diabetic Retinopathy
- B. Refractive Errors
- C. Cataract
- D. Age-related Macular Degeneration (Correct Answer)
Explanation: ***Age-related Macular Degeneration*** - **Age-related macular degeneration (AMD)** was originally **not included** as one of the priority diseases in the initial "Vision 2020: The Right to Sight" initiative. - The initial focus was on conditions with a high burden of preventable blindness that were readily treatable or preventable with widely available interventions. *Diabetic Retinopathy* - **Diabetic retinopathy** is a major cause of preventable blindness and was specifically targeted by Vision 2020 efforts due to its increasing prevalence globally. - Early detection and treatment through retinal screening are crucial components of preventing vision loss from diabetic retinopathy. *Refractive Errors* - **Uncorrected refractive errors** are a leading cause of visual impairment worldwide, and their correction with spectacles is a simple and cost-effective intervention. - Vision 2020 emphasized accessible and affordable refractive error services to improve vision in affected populations. *Cataract* - **Cataract** is the leading cause of blindness globally, and its surgical removal is a highly effective and widely accessible treatment. - Vision 2020 prioritized increasing the number of cataract surgeries to restore sight to millions.
Question 7: Which of the following is NOT considered an element of primary healthcare?
- A. Health education
- B. Provision of essential drugs
- C. Intersectoral coordination
- D. Cost effectiveness (Correct Answer)
Explanation: ***Cost effectiveness*** - While an important consideration in healthcare policy and management, **cost-effectiveness** is an outcome or an evaluation criterion rather than a direct, inherent element or principle of primary healthcare delivery itself. - Primary healthcare focuses on access, equity, comprehensiveness, and community participation rather than solely on economic efficiency as a foundational element. *Health education* - **Health education** is a core component of primary healthcare, empowering individuals and communities to make informed decisions about their health and adopt healthy behaviors. - It plays a crucial role in **disease prevention** and promoting self-care. *Intersectoral coordination* - **Intersectoral coordination** involves collaborating with other sectors (e.g., education, agriculture, housing) to address the broader determinants of health, which is a key principle of primary healthcare. - It recognizes that health outcomes are influenced by factors beyond the healthcare system alone. *Provision of essential drugs* - The **provision of essential drugs** is a fundamental element of primary healthcare, ensuring access to necessary medications at an affordable cost for effective treatment and management of common health problems. - This accessibility is crucial for achieving **universal health coverage**.
Question 8: All are ophthalmological emergencies except -
- A. Endophthalmitis
- B. CRVO (Correct Answer)
- C. Acute congestive glaucoma
- D. CRAO
Explanation: ***CRVO*** - Central Retinal Vein Occlusion (CRVO) is characterized by painless **vision loss** due to retinal hemorrhage and edema, but it is generally *not* considered an immediate, vision-threatening emergency in the same vein as the other options. - While it requires prompt evaluation and management to preserve vision, CRVO allows for a less urgent intervention compared to conditions that can lead to permanent vision loss within hours. *Endophthalmitis* - **Endophthalmitis** is a severe inflammation of the intraocular fluids and tissues, typically caused by infection, and can lead to rapid and irreversible vision loss if not treated urgently. - It presents with pain, redness, reduced vision, and hypopyon (pus in the anterior chamber), necessitating immediate antibiotic treatment and surgical intervention. *Acute congestive glaucoma* - **Acute congestive glaucoma** (acute angle-closure glaucoma) involves a sudden increase in intraocular pressure, causing severe pain, redness, corneal edema, and profound vision loss. - If left untreated, the high pressure can cause irreversible damage to the optic nerve within hours, making it a true ocular emergency. *CRAO* - **Central Retinal Artery Occlusion (CRAO)** is a sudden, painless loss of vision in one eye due to blockage of the central retinal artery, leading to retinal ischemia. - It is an ocular emergency because irreversible retinal damage and vision loss can occur within 90-120 minutes of the occlusion, requiring immediate intervention to restore blood flow.
Question 9: What is the target population for a Secondary Service Center as per the Vision 2020 initiative in India?
- A. 10000
- B. 50000
- C. 1 lac
- D. 5 lac (Correct Answer)
Explanation: ***5 lac*** - As per the **Vision 2020 initiative** (National Programme for Control of Blindness) in India, Secondary Service Centers are designed to cater to a target population of **500,000 (5 lac) individuals**. - This population size allows for efficient resource allocation and ensures comprehensive secondary-level eye care services, including cataract surgery and other specialist ophthalmological procedures, are accessible to a significant segment of the population. - Secondary Centers serve as referral units between Primary Centers and tertiary-level District Centers. *10000* - A target population of 10,000 is typically served by **Primary Vision Centers** or sub-centers, which provide basic eye screening and first-contact eye care. - Secondary Service Centers offer a broader range of specialized services that require a larger catchment area to be economically viable and effectively utilized. *50000* - A population of 50,000 is too small for a Secondary Service Center under the Vision 2020 framework. - This population size might be appropriate for enhanced Primary Care facilities, but Secondary Centers require a much larger demographic base to justify the specialized infrastructure and trained ophthalmologists necessary for comprehensive secondary eye care. *1 lac* - While 100,000 (1 lac) represents a substantial population, it is still **smaller than the intended target** for a Secondary Service Center under Vision 2020. - The centers are designed to serve **5 times this population** (5 lac), acting as major hubs for secondary eye care with surgical facilities and specialist services for multiple primary centers.
Question 10: Vision 2020 "The right to sight" includes all except-
- A. Measles induced blindness (Correct Answer)
- B. Onchocerciasis
- C. Trachoma
- D. Cataract
Explanation: ***Measles induced blindness*** - Vision 2020 primarily targets conditions that are either preventable or treatable with *cost-effective interventions* and contribute significantly to *avoidable blindness*. - While measles can cause blindness, the specific program focuses on a defined list of priority diseases for intervention, and measles-related blindness is generally addressed through broader public health initiatives (vaccination) rather than direct "right to sight" surgical or direct medical interventions for established blindness. *Onchocerciasis* - **Onchocerciasis** (river blindness) is a major focus of Vision 2020 due to its profound impact on sight, particularly in endemic areas. - It is a **preventable** and **treatable** cause of blindness through mass drug administration. *Trachoma* - **Trachoma** is recognized as one of the leading infectious causes of blindness globally and is explicitly targeted by Vision 2020 through the **SAFE strategy** (Surgery, Antibiotics, Facial cleanliness, Environmental improvement). - It is a highly **preventable** and **treatable** condition, fitting the program's objectives. *Cataract* - **Cataract** is the leading cause of blindness worldwide and is highly **treatable** through a relatively simple and cost-effective surgical procedure. - Providing cataract surgery is a cornerstone of the Vision 2020 initiative to restore sight.
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