Differences

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--- harada_ito [2020/11/22 01:48] – Scott Larson
+++ harada_ito [2025/04/18 20:40] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-====== Harada Ito Procedure ======
+====== Harada-Ito Procedure ======
 ===== Purpose =====
   * Strengthen Incylotorsion effect of the Superior Oblique without affecting vertical alignment
   * Most useful with a functioning superior oblique and excyclotorsion present
-  * Can improve 10-15 degrees of incyclotorsion
+  * Can create 10-15 degrees of incyclotorsion
+  * The effect may wain 20-30% with time
 ===== Description =====
-Transpose the anterior 30-50% of the superior oblique tendon fibers to the superior border of the lateral rectus muscle.
+Transpose the anterior 1/3 to 1/2 of the superior oblique tendon fibers to the superior border of the lateral rectus muscle. Fixate the tendon 8 mm posterior to and 2 mm superior to the superior border of the lateral rectus muscle.  Tightening only the radially oriented fibers will avoid a significant change in vertical deviation but there may be an exoshift in down-gaze.\\
+{{:harada-ito.png?512|}}
 ===== References =====
-=== Books ===
+=== Book Chapters ===
 [[https://childrenseye.org/filerun/FileRun/wl/?id=aHC4KLmrtuYYN8q8Xe3qwguO8f4eBOCy|Harada-Ito Procedure In Clinical Strabismus Management, Principles and Surgical Techniques. pages 469-473 by Rosenbaum and Santiago, 1999]]\\
 [[https://childrenseye.org/filerun/FileRun/wl/?id=Z6wVoWmaEh9GwN0aBbYFcl8fTCanpqSs|Harada-Ito Procedure in Strabimus Surgery and its Complications. pages 122-124. Coats and Olitsky, 2007]]

strabismus surgery