Myopia in Adults
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Questions and Answers

What is the approximate prevalence of myopia between the ages of 20 to 40 years?

  • 40%
  • 30% (correct)
  • 20%
  • 10%

What is the reason for the slight decrease in myopia prevalence after 40 years of age?

  • Tendency of some low myopes to 'loose' the myopia (correct)
  • Nuclear sclerosis
  • Age-related macular degeneration
  • Prolonged close work

What is the percentage of myopia prevalence beyond 75 years of age according to Hirsch's study?

  • 6.7%
  • 10.3%
  • 12.3%
  • 15.3% (correct)

What is the age range where myopia in children increases drastically?

<p>From 1st grade to 8th grade (C)</p> Signup and view all the answers

What is the typical age range where myopia worsens?

<p>Until the age of 21 (C)</p> Signup and view all the answers

What is the predicted level of myopia by 2050?

<p>Predicted levels of myopia (A)</p> Signup and view all the answers

What is the characteristic of myopia progression in adult years?

<p>Slow progression or stabilization (C)</p> Signup and view all the answers

What is the main factor responsible for young myopia progression?

<p>Steepening of the anterior surface of the cornea (B)</p> Signup and view all the answers

What happens to highly myopic children during teenage years?

<p>They tend to progress at a much higher rate (C)</p> Signup and view all the answers

What is the nature of myopia etiology?

<p>Multifactorial or polygenic (B)</p> Signup and view all the answers

What happens to small or moderate myopes during presbyopic years?

<p>They observe a decrease in myopia (B)</p> Signup and view all the answers

What is the risk of developing amblyopia in an asymmetrical myopia case?

<p>The eye with higher myopia may develop amblyopia (A)</p> Signup and view all the answers

What did Donders propose as the cause of myopia in 1864?

<p>Prolonged tension on the eyes during close work and elongation of the axes (D)</p> Signup and view all the answers

What is the role of the macula in maintaining emmetropia?

<p>It supplies information about the degree of stretch necessary to maintain emmetropia (C)</p> Signup and view all the answers

What happens to the flow of aqueous humor when accommodating an object at 20cm?

<p>It is blocked due to the sphincter muscle pulling forward on the anterior vitreous (C)</p> Signup and view all the answers

What is the result of inadequate tonus of the ciliary-choroid envelope?

<p>Myopia (B)</p> Signup and view all the answers

What is the effect of high body temperature on the sclera?

<p>It causes the sclera to stretch (A)</p> Signup and view all the answers

What is the function of the Edinger-Westphal nucleus (EWN) in maintaining emmetropia?

<p>It determines the degree of stretch necessary to maintain emmetropia (D)</p> Signup and view all the answers

What is a common issue faced by uncorrected hyperopic children?

<p>Difficulty in performing visual perception skill tests (D)</p> Signup and view all the answers

Why are traditional school and pediatrician's screenings often ineffective in detecting hyperopia?

<p>They are directed towards myopes (C)</p> Signup and view all the answers

What is the purpose of introducing a trial lens of +1.00D during a vision screening?

<p>To detect possible hyperopes (D)</p> Signup and view all the answers

According to the InfantSEE program, what is recommended for children before preschool?

<p>A comprehensive eye examination (D)</p> Signup and view all the answers

What is the risk if hyperopia of +3.50 or more is not corrected?

<p>Development of strabismus or amblyopia (A)</p> Signup and view all the answers

What is the main concern for eyecare professionals when it comes to prescribing corrections for hyperopia?

<p>When to prescribe glasses (B)</p> Signup and view all the answers

What is a risk factor for myopia?

<p>Female gender (A)</p> Signup and view all the answers

What is a characteristic of pathologic myopic eyes?

<p>Optic nerve crescents (D)</p> Signup and view all the answers

What is a type of anomalous myopia?

<p>Pilots myopia (B)</p> Signup and view all the answers

What is a complication of high myopia?

<p>All of the above (D)</p> Signup and view all the answers

What is the term for hyperopia that can be compensated with accommodation?

<p>Facultative hyperopia (A)</p> Signup and view all the answers

In which age range is hyperopia prevalence around 6%?

<p>From age 6 to 15 (A)</p> Signup and view all the answers

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