Parks–Bielschowsky three-step test
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The Parks–Bielschowsky three-step test,[1] also known as Park's three-step test or Bielschowsky head tilt test,[2] is a method used to isolate the paretic extraocular muscle, particularly superior oblique muscle and trochlear nerve (fourth cranial nerve),[3] in acquired vertical double vision.[4] It was originally described by Marshall M. Parks.[5]
Quick Facts Synonyms, Test of ...
Parks–Bielschowsky three-step test | |
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Synonyms | Park's three-step test, Bielschowsky head tilt test |
Test of | Extraocular muscle |
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