Physiological Optics 2: Visual Field and Defects
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Questions and Answers

What is the primary difference between kinetic and static perimetry?

  • The age of the patient being tested
  • The type of target used for the test
  • The distance between the examiner and the patient
  • The movement of the target during the test (correct)

    • What is the purpose of the Amsler Grid Test?

  • To assess the patient's ability to see colors
  • To detect visual field defects (correct)
  • To examine the patient's eye movement
  • To measure the distance between the eyes

    • What is Traquair's Island of Vision?

  • A concept of visual field that is based on the skill of the examiner (correct)
  • A method of measuring visual field
  • A type of visual field defect
  • A type of perimetry

    • What is the main difference between the Confrontation Test and the Amsler Grid Test?

    <p>The method of measuring visual field</p> Signup and view all the answers

    What is the primary purpose of perimetry?

    <p>To detect visual field defects and measure visual field</p> Signup and view all the answers

    What is the typical distance between the patient and the test target during the Confrontation Test?

    <p>2-3 feet</p> Signup and view all the answers

    What does the Octopus Test measure?

    <p>The peripheral visual field</p> Signup and view all the answers

    What does the G program in the Octopus Test stand for?

    <p>Glaucoma assessment</p> Signup and view all the answers

    What is the purpose of charting the visual field in the Octopus Test?

    <p>To detect loss of central and peripheral vision and provide a map of visual field loss</p> Signup and view all the answers

    What is the name of the visual field defect that refers to the loss of vision in one eye?

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

    What is the type of visual field defect that refers to the loss of one half of the vertical visual field?

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

    What is the term for the area where both the right and left monocular fields overlap?

    <p>Binocular vision field</p> Signup and view all the answers

    What is the approximate peripheral visual field in adults?

    <p>100° laterally, 60° medially, 60° upward, and 75° downward</p> Signup and view all the answers

    What is the reason for the different sizes of the monocular visual field?

    <p>Because of the supraorbital structures</p> Signup and view all the answers

    What is the location of the physiological scotoma or blind spot?

    <p>15° temporally</p> Signup and view all the answers

    How does the visual field develop in newborns?

    <p>It starts with a central visual field of 30° and develops peripheral visual field later</p> Signup and view all the answers

    What is the purpose of dividing the visual field into nasal and temporal hemifields?

    <p>To identify areas of visual field defects</p> Signup and view all the answers

    At what age do toddlers have a visual field similar to that of older kids and adults?

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

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