When were surgical therapies first developed for trochlear nerve palsy (fourth nerve palsy)?

Updated: Oct 08, 2019
  • Author: Zafar A Sheik, MD, MD; Chief Editor: Andrew G Lee, MD  more...
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Surgical therapy for this condition has been refined over the last 30 years. The introduction of the Harada-Ito procedure in the 1960s and Knapp's surgical approach in the 1970s enhanced the ability to successfully treat this challenging clinical entity. [1]

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