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Effects of unilateral lateral rectus recession according to the tendon width in intermittent exotropia

S-H Kim1, Y-J Choi

  • 1Department of Ophthalmology, Korea University College of Medicine, Ansan, Korea. ansaneye@hanmail.net

Eye (London, England)
|July 16, 2005
PubMed

Insights

The width of the lateral rectus tendon influences the effectiveness of surgical recession in treating intermittent exotropia. Narrower tendons correlate with a greater effect per millimeter of recession.

Area of Science:

  • Ophthalmology
  • Strabismus Surgery
  • Pediatric Ophthalmology

Background:

  • Intermittent exotropia is a common form of strabismus in children.
  • Surgical recession of the lateral rectus muscle is a standard treatment.
  • Predicting surgical outcomes remains a challenge.

Purpose of the Study:

  • To determine the effect of unilateral lateral rectus recession per millimeter.
  • To investigate the relationship between lateral rectus tendon width and surgical outcome in intermittent exotropia.

Main Methods:

  • 37 patients (7-11 years) with intermittent exotropia (16-25 PD) were studied.
  • Lateral rectus tendon width was measured before recession surgery.
  • The effect per millimeter was calculated based on pre- and post-operative deviation.

Main Results:

  • Mean lateral rectus tendon width was 8.3 mm.
  • The mean effect of recession was 2.98 PD per millimeter.
  • A narrower tendon width was significantly associated with a larger effect per millimeter (P=0.000, r=0.72).

Conclusions:

  • Lateral rectus tendon width is a valuable predictor of surgical success in intermittent exotropia.
  • This finding can help tailor surgical plans for better outcomes.
  • Further research may refine the use of tendon width in surgical planning.
Abstract

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