Test Your Knowledge On Myopia Defect!

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| By Mchllmijares
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Mchllmijares
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Quizzes Created: 22 | Total Attempts: 13,903
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Test Your Knowledge On Myopia Defect! - Quiz

Are you aware of the symptoms and causes of Myopia defect? Take this quiz to test your knowledge of Myopia defect, and see how much you know. It is basically about short-sightedness. If you know about this defect or you have studied it, it will be an easy quiz for you. You just need to watch out for the questions you are not sure about. Hope you get a 100% score on this quiz. All the best! Do share the quiz with other aspirants.


Questions and Answers
  • 1. 

    The incidence of myopia in the population, according to Sperdutto, is:

    • A.

      24%

    • B.

      49.2%

    • C.

      3.6%

    • D.

      28.6%

    Correct Answer
    A. 24%
    Explanation
    According to Sperdutto, the incidence of myopia in the population is 24%.

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  • 2. 

    Select the TRUE statements:

    • A.

      Myopia is less common in young adults, with only a 25-35% prevalence.

    • B.

      Myopia is more common among females.

    • C.

      Myopia is found in greater numbers in populations with higher reading ability and higher incomes.

    • D.

      Race is not a contributing factor in the prevalence of myopia.

    • E.

      Myopia is more prevalent in occupations with near task requirements.

    Correct Answer(s)
    B. Myopia is more common among females.
    C. Myopia is found in greater numbers in populations with higher reading ability and higher incomes.
    E. Myopia is more prevalent in occupations with near task requirements.
    Explanation
    Myopia is MORE common among young adults with a 25-35% prevalence Race is a factor associated with myopia - lower in blacks, higher in whites, Japanese, Jews, and Chinese.

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  • 3. 

    The signs and symptoms of Myopia include

    • A.

      Primarily distance blur

    • B.

      Improved vision with squinting

    • C.

      Asthenopia

    • D.

      Difficult with near vision

    • E.

      Photophobia

    Correct Answer(s)
    A. Primarily distance blur
    B. Improved vision with squinting
    C. Asthenopia
    Explanation
    The signs and symptoms of Myopia include primarily distance blur, improved vision with squinting, and asthenopia. Primarily distance blur refers to the difficulty in seeing objects that are far away clearly. Improved vision with squinting is a common behavior in individuals with myopia as it temporarily changes the shape of the eye, allowing for better focus. Asthenopia refers to eye strain or fatigue, which can be experienced by individuals with myopia due to the constant effort required to focus on objects.

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  • 4. 

    When using trial frames to show a patient their new trial frames, it is important to show them binocular changes.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    When using trial frames to show a patient their new trial frames, it is important to show them binocular changes. This means that both eyes should be considered together, rather than just focusing on one eye at a time. By showing binocular changes, the patient can get a more accurate representation of how their vision will be improved with the new trial frames.

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  • 5. 

    Concerning the distribution of myopia: what percentage of people have less than -1.00D of myopia?

    • A.

      3.6%

    • B.

      7.3%

    • C.

      11.0%

    • D.

      28.6%

    • E.

      49.2%

    Correct Answer
    E. 49.2%
    Explanation
    The correct answer is 49.2%. This means that almost half of the people have less than -1.00D of myopia.

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  • 6. 

    The Grosvenor Classification of Myopia is based on the function.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Based on age of onset.

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  • 7. 

    Which of the following is NOT a category of myopia?

    • A.

      Amount/ Degree

    • B.

      Structural

    • C.

      Functional/Adaptive

    • D.

      Basic

    Correct Answer
    D. Basic
    Explanation
    The given options are categories of myopia, except for "Basic". This implies that "Basic" is not a category of myopia. However, without further information, it is difficult to determine the specific characteristics or definition of "Basic" in relation to myopia.

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  • 8. 

    The most common form of myopia is

    • A.

      Youth onset

    • B.

      Congenital

    • C.

      Early adult onset

    • D.

      Late adult onset

    Correct Answer
    A. Youth onset
    Explanation
    The most common form of myopia is youth onset. This means that myopia typically develops during childhood or adolescence. This is supported by research that shows that myopia tends to progress during the school years and stabilize in early adulthood. Congenital myopia, on the other hand, is present at birth and is relatively rare. Early adult onset and late adult onset myopia are less common than youth onset myopia.

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  • 9. 

    Which statement does not apply to congenital myopia?

    • A.

      If present, it is only in small degrees

    • B.

      Low prevalence

    • C.

      It is another division in the Grosvenor Classification of myopia

    Correct Answer
    A. If present, it is only in small degrees
    Explanation
    Often high in amount

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  • 10. 

    Which statement is FALSE concerning Youth onset myopia?

    • A.

      Non-progressive

    • B.

      Prevalence does not increase with age.

    • C.

      Age of onset is b/t 5 years to teenage.

    • D.

      It is a category under Zadnik's classification.

    Correct Answer(s)
    A. Non-progressive
    B. Prevalence does not increase with age.
    D. It is a category under Zadnik's classification.
    Explanation
    2% at 6 years
    20% at 15 years
    Progressive
    MOST COMMON

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  • 11. 

    The progression of myopia in premature babies is the same as in normal newborns.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Earlier onset, faster progression
    Myopic shift occurs
    .35 to .55 =/- 0.25D/yr

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  • 12. 

    Conventional Myopes will progress whether or not you prescribe.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    This statement is suggesting that individuals with conventional myopia will continue to experience progression of their condition regardless of whether or not they are prescribed corrective measures. In other words, even if they are given glasses or contact lenses, their myopia will still worsen over time.

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  • 13. 

    Which of the following are factors to consider when prescribing for myopia, according to Dr. Myung Lee?

    • A.

      Near work - what does the patient spend their day doing?

    • B.

      Patient comfort

    • C.

      Myopic progression

    Correct Answer(s)
    A. Near work - what does the patient spend their day doing?
    B. Patient comfort
    C. Myopic progression
    Explanation
    When prescribing for myopia, Dr. Myung Lee suggests considering three factors. The first factor is near work, which refers to the activities the patient engages in throughout the day. This is important because certain near work activities, such as reading or using digital devices for long periods, can contribute to myopia progression. The second factor is patient comfort, which involves ensuring that the prescribed treatment or corrective measures are comfortable for the patient to use. Lastly, myopic progression is another crucial factor to consider, as it pertains to the rate at which the patient's myopia is progressing and may influence the choice of treatment or prescription.

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  • 14. 

    Select the risk factors for Myopia development

    • A.

      With the rule of astigmatism

    • B.

      Steep K values

    • C.

      Abnormal accommodation

    • D.

      Chronic sustained near work

    • E.

      Short axial length

    Correct Answer(s)
    B. Steep K values
    C. Abnormal accommodation
    D. Chronic sustained near work
    Explanation
    ATR is a risk factor

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  • 15. 

    What are the subcategories for Progressive myopia?

    • A.

      Transient pseudomyopia

    • B.

      Cyclic adaptation

    • C.

      Conventional

    • D.

      Congenital

    • E.

      High

    Correct Answer(s)
    A. Transient pseudomyopia
    B. Cyclic adaptation
    Explanation
    Progressive myopia is a condition where a person's nearsightedness worsens over time. It can be categorized into different subcategories based on the specific characteristics of the condition. Transient pseudomyopia refers to a temporary form of myopia that occurs due to factors such as excessive near work or prolonged focusing on close objects. Cyclic adaptation refers to a pattern of myopia progression that occurs in cycles, with periods of rapid progression followed by periods of stability. These two subcategories are the correct answers to the question.

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  • 16. 

    According to Zadnik's study, if -.50D of myopia has developed by 3rd grade, there is a 95% chance that the patient will develop at least -1.00D of myopia.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    80% chance

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  • 17. 

    In general, there is an even distribution of hyperopes and myopes in the population.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement suggests that there is an equal number of hyperopes (people with farsightedness) and myopes (people with nearsightedness) in the general population. This means that the prevalence of these two common refractive errors is balanced, indicating that neither condition is more prevalent than the other.

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  • 18. 

    Which of the following optical elements can result in myopia

    • A.

      Increase in the index of refraction of the aqueous

    • B.

      Decrease in the index of refraction of the aqueous

    • C.

      Decrease in the index of refraction in the lens cortex

    • D.

      Decrease in the index of refraction of the vitreous

    • E.

      Increase in the index of refraction of the vitreous

    Correct Answer(s)
    A. Increase in the index of refraction of the aqueous
    C. Decrease in the index of refraction in the lens cortex
    D. Decrease in the index of refraction of the vitreous
    Explanation
    An increase in the index of refraction of the aqueous humor, a decrease in the index of refraction in the lens cortex, and a decrease in the index of refraction of the vitreous humor can all result in myopia. The index of refraction determines how much light is bent as it passes through a medium. In myopia, the eyeball is too long or the cornea is too curved, causing light to focus in front of the retina instead of directly on it. By altering the index of refraction in different parts of the eye, the overall refractive power of the eye can be changed, leading to myopia.

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  • 19. 

    Myopia can be due to an eye having a _____ axial length

    Correct Answer(s)
    Longer
    Explanation
    Myopia, also known as nearsightedness, is a condition where a person can see objects that are close to them clearly, but objects that are far away appear blurry. This occurs when the axial length of the eye is longer than normal. The longer axial length causes light to focus in front of the retina instead of directly on it, resulting in blurred distance vision. Therefore, the correct answer is "Longer."

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  • 20. 

    Myopia can be due to an eye having a _____ corneal curvature

    Correct Answer(s)
    Steeper
    Explanation
    Myopia, also known as nearsightedness, is a refractive error of the eye where distant objects appear blurry. It occurs when the cornea, the clear front surface of the eye, has a steeper curvature than normal. This causes the light entering the eye to focus in front of the retina, instead of directly on it. As a result, the image formed on the retina is out of focus, leading to nearsightedness. Therefore, a steeper corneal curvature can be a possible cause of myopia.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Nov 16, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 27, 2011
    Quiz Created by
    Mchllmijares
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