Cranial Nerve 2

Aka: Cranial Nerve 2, Cranial Nerve II, Optic Nerve, CN 2

advertisement

II. Physiology

  1. Vision mediated via Retinal innervation

III. Anatomy

  1. EyePupillaryReactionNeuroPath.png
  2. EyePupillaryReaction.png
  3. visualFieldDefects.jpg

IV. Course

  1. Retinal fibers coalesce into the Optic Nerve
  2. Optic Nerves become Optic Tracts at the Optic Chiasm
    1. See Visual Pathway
    2. Left Optic Tract (Comprises Right Visual Field)
      1. Left Lateral and Right Medial Optic Nerves
    3. Right Optic Tract (Comprises Left Visual Field)
      1. Right Lateral and Left Medial Optic Nerves

V. Exam

  1. Visual Acuity
  2. Funduscopic Exam
  3. Visual Field Testing
    1. Screening: Confrontation
    2. Assessment: Perimetry

VI. References

  1. Gilman (1989) Manter and Gatz Essentials of Neuroanatomy and Neurophysiology, Davis, p. 87-113
  2. Goldberg (2014) Clinical Neuroanatomy, p. 24-39

Calculation (FPnotebook.com: DrBits) Open in New Window

Images: Related links to external sites (from Bing)

These images are a random sampling from a Bing search on the term "Cranial Nerve 2." Click on the image (or right click) to open the source website in a new browser window. Search Bing for all related images

Related Studies

Related Topics in Anatomy

advertisement