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Levator transposition procedure: a review of 35 cases
R M Manners1, P Rosser, J R Collin
1Moorfields Eye Hospital, London, UK.
Eye (London, England)
|January 1, 1996
Summary
Levator transposition surgery restores some eyelid function in patients with ptosis and aberrant movements. Pre-operative function significantly predicts post-operative results, though additional surgery may be needed for optimal lid height.
Area of Science:
- Ophthalmology
- Oculoplastic Surgery
Background:
- Levator transposition is a unilateral surgical technique for eyelid ptosis and aberrant movements.
- This procedure aims to restore levator muscle function through muscular neurotization.
Purpose of the Study:
- To evaluate the efficacy of levator transposition in treating ptosis and aberrant eyelid movements.
- To assess the relationship between pre-operative levator function and post-operative outcomes.
Main Methods:
- A retrospective review of 35 patients who underwent levator transposition.
- Analysis of outcomes, including levator function and eyelid height, with a mean follow-up of 12 months.
Main Results:
- The study included patients with jaw-winking ptosis, cyclic oculomotor palsy, and third nerve palsy with aberrant regeneration.
- Levator function achieved post-transposition showed a statistically significant correlation with pre-operative voluntary function (p < 0.001).
- Maximal function may take up to 12 months to develop, and most patients required secondary levator resection for optimal lid height.
Conclusions:
- Levator transposition is effective in correcting aberrant eyelid movements and ptosis.
- The degree of pre-operative levator function is a key predictor of surgical success.
- Adjunctive levator resection is often necessary to achieve satisfactory aesthetic and functional eyelid height.