Clinical Orthoptics & Pediatrics: Accommodative Dysfunction I-IX
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

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

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

<p>A lead of accommodation (C)</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 (A)</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 (A)</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) (B)</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 (C)</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 (D)</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 (D)</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 (D)</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 (B)</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 (A)</p> Signup and view all the answers

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

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

More Like This

Use Quizgecko on...
Browser
Browser