Optometric Instruments Quiz
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Questions and Answers

Which instrument is used to measure the curvature of the anterior surface of the cornea?

  • Retinoscope
  • Keratometer (correct)
  • Phoropter
  • Auto-refractor

    • What is the purpose of a retinoscope?

  • To measure the curvature of the cornea
  • To identify the eyewear prescription of a patient
  • To assess the extent and axis of astigmatism
  • To measure the refractive error of a patient's eyes (correct)

    • What instrument is used in subjective refraction to identify the eyewear prescription of a patient?

  • Phoropter (correct)
  • Keratometer
  • Trial Lens and Frame
  • Auto-refractor

    • What is the purpose of an auto-refractor?

    <p>To provide an objective measurement of a patient's refractive error</p> Signup and view all the answers

    What is another name for a keratometer?

    <p>Ophthalmometer</p> Signup and view all the answers

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