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Cranial Nerve 2Aka: Cranial Nerve II, Optic Nerve, CN 2
- Physiology
- Vision mediated via retinal innervation
- Course
- Retinal fibers coalesce into the optic nerve
- Optic Nerves become Optic Tracts at the optic chiasm
- Left Optic Tract (Comprises Right Visual field)
- Left Lateral and Right Medial Optic Nerves
- Right Optic Tract (Comprises Left Visual field)
- Right Lateral and Left Medial Optic Nerves
- Exam
- Visual Acuity
- Funduscopic Exam
- Visual Field Testing
- Screening: Confrontation
- Assessment: Perimetry
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