Cranial Nerves 2-4 & 6 Exam

September 22, 2015 Print Friendly Version of this page Print Get a PDF version of this webpage PDF
Introduces self
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1

Confirms name & age of patient
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1

Explains & gains consent
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1

Washes hands
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1

Asks if patient is in pain and if they wear glasses
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1

General inspection for asymmetry, ptosis, nystagmus, conjugate gaze, pupil size, proptosis and squint
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1

Tests gross vision then acuity in each eye (with glasses on) using a Snellen chart. Offers pinhole.
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1

Tests near vision
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Tests colour vision in each eye with Ishihara plates
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1

Checks visual fields grossly by asking if patient can see their entire face. Tests visual fields of each eye against their own in all 4 directions
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1

Establishes blind spot size
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1

Tests for direct and consensual reflex in each eye
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1

Tests for RAPD via swinging light test
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1

Ask patient to report pain or double vision whilst testing slow pursuit (via H shape) and nystagmus. If double vision occurs, checks which eye is the cause
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1

Offers to perform fundoscopy
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1

Thanks patient and offers help to redress
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1

Washes hands
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1

Requests full neurological exam
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1

Summarises appropriately with only key findings
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1

Offers appropriate differential diagnoses
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1

Patient global score
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2
Potential differentials
  • Visual field defects
    • E.g. bi-temporal hemianopia
  • Optic neuritis
    • Unilateral loss of visual acuity and colour blindness
  • Oculomotor palsy