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The surgical innervational effect: utilizing it to treat monocular elevation deficiency strabismus
Julio Prieto-Diaz1, M Susana Gamio
1Prieto-Diaz Institute of Ophthalmology, La Plata, Argentinia. prietojulio@speedy.com.ar
Binocular Vision & Strabismus Quarterly
|November 7, 2007
Summary
Innervational surgery, a technique to weaken a sound eye muscle, effectively improves innervation for paretic yoke muscles. This method shows good restoration of normal appearance in moderate cases of monocular elevation deficiency.
Area of Science:
- Ophthalmology
- Neurology
- Surgical Techniques
Background:
- Innervational surgery, proposed by Horta-Barbosa in 1978, involves weakening a sound eye muscle to enhance innervation of its paretic yoke muscle.
- Originally suggested for third cranial nerve paralysis with residual medial rectus function, it can also be achieved with prisms or botulinum toxin.
Observation:
- Presents five cases of oculomotor muscle paresis with monocular elevation deficiency.
- Includes third nerve paresis and four idiopathic cases, detailing surgical indications and outcomes.
Findings:
- Innervational surgery demonstrated effectiveness in restoring normal appearance in moderate cases of monocular elevation deficiency.
- The study discusses the indications and results of this surgical approach.
Implications:
- Innervational surgery offers a simple and effective treatment option for specific types of muscle paresis.
- This technique can lead to significant functional and aesthetic improvements for patients.
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