Reduction of ocular muscle torque by splitting of the rectus muscle II: Technique and results

R. Hoerantner, S. Priglinger, Thomas Haslwanter

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


Aim: To present the results of a new technique that the authors have developed to weaken the extraocular muscles. The biomechanics of this technique, which is termed "Y-split recession," are given in the companion paper. Methods: A retrospective study, testing the effects of a new surgical technique on strabismus, nystagmus, and visual acuity. 228 patients (aged 6.8 (SD 6.0) years) with variable angle strabismus and nystagmus were treated by splitting and detaching two rectus muscles, and re-attaching the two halves at an angle of about 65° to each other. Subjects were examined with the usual orthoptic tests immediately after the operation, and up to 96 months later. Results: The operation reduced the strabismus, eliminated or weakened the nystagmus in primary position, and improved binocular vision and the development of visual acuity. Only minor side effects were observed. Conclusions: The Y-split recession can be used to reduce the torque for extraocular rectus muscles, and provides an alternative to "Cuppers Fadenoperation," recession, and similar procedures.

Original languageEnglish
Pages (from-to)1409-1413
Number of pages5
JournalBritish Journal of Ophthalmology
Issue number11
Publication statusPublished - Nov 2004


  • Adolescent
  • Adult
  • Biomechanical Phenomena
  • Child
  • Child, Preschool
  • Humans
  • Infant
  • Middle Aged
  • Nystagmus, Pathologic/surgery
  • Oculomotor Muscles/physiopathology
  • Ophthalmologic Surgical Procedures/methods
  • Retrospective Studies
  • Strabismus/surgery
  • Stress, Mechanical
  • Treatment Outcome
  • Vision, Binocular/physiology
  • Visual Acuity/physiology

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