Clinical Orthoptics & Pediatrics: Accommodative Dysfunction I-IX
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Questions and Answers

What is a sign of accommodative excess?

  • A larger than normal lag of accommodation
  • Inability to clear plus lenses during accommodative facility testing
  • Reduced NRA and elevated PRA
  • A lead of accommodation or FCC test equals plano (correct)

    • What is the normal response range for the magnitude of the lens required to neutralize the reflex?

  • 0.33 ± 0.34D (correct)
  • 0.67 ± 0.67D
  • 0.67 ± 0.34D
  • 0.33 ± 0.67D

    • What does a plus lens indicate during the neutralization of the reflex?

  • A lead of accommodation
  • Accommodative insufficiency
  • A lag of accommodation (correct)
  • Accommodative excess

    • What is a consideration during the neutralization of the reflex?

    <p>Interpose lenses briefly to avoid altering the accommodative stimulus</p> Signup and view all the answers

    What does a minus lens indicate during the neutralization of the reflex?

    <p>A lead of accommodation</p> Signup and view all the answers

    What may a variable response during the neutralization of the reflex indicate?

    <p>Both an unstable accommodative system and uncorrected refractive error</p> Signup and view all the answers

    What might a clinician suspect if a patient exhibits reduced accommodative amplitudes and high lag of accommodation as per Hofstetter's minimum?

    <p>Accommodative Insufficiency</p> Signup and view all the answers

    What may lead a clinician to suspect accommodative dysfunction in a patient?

    <p>Elevated positive relative accommodation (PRA)</p> Signup and view all the answers

    What action would be most appropriate during the Monocular Estimation Method procedure to assess for accommodative dysfunction?

    <p>Position an appropriate MEM card on the retinoscope and place it 40cm from the patient</p> Signup and view all the answers

    What is a possible clinical implication of a patient having an inability or reduced ability to clear minus lenses during accommodative facility testing?

    <p>Accommodative Insufficiency</p> Signup and view all the answers

    In which scenario might a patient exhibit an elevated Negative Relative Accommodation (NRA)?

    <p>Reduced accommodative amplitudes based on Hofstetter's minimum</p> Signup and view all the answers

    When might a clinician suspect that a patient has reduced vergence ranges?

    <p>When inconsistencies exist between entering acuity and refractive error</p> Signup and view all the answers

    Which of the following is NOT a type of accommodative dysfunction according to the text?

    <p>Accommodative fatigue</p> Signup and view all the answers

    What is the recommended management for accommodative dysfunction according to the text?

    <p>Depends on the presence or absence of an associated binocular problem and the specific type of accommodative dysfunction</p> Signup and view all the answers

    What is a common symptom of accommodative dysfunction according to the text?

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

    Which of the following is NOT a sign of accommodative dysfunction according to the text?

    <p>Blurred distance vision</p> Signup and view all the answers

    Which type of accommodative dysfunction is characterized by a tendency to fall asleep or lose concentration when reading?

    <p>Accommodative fatigue</p> Signup and view all the answers

    What is the relationship between accommodative dysfunction and binocular disorders according to the text?

    <p>Accommodative dysfunction may be present in isolation or in combination with other binocular disorders</p> Signup and view all the answers

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