The authors report necropsy findings following free tenotomy of the medial rectus (MR) muscle in six postnatal monkeys. Bilateral MR tenotomy was performed producing alternating exotropia of 30-70 degrees with no adduction beyond primary position. Over follow-up, all showed reduction in strabismus angle with stabilised exotropia of 7-60 degrees. The angle reduced alongside improving adduction of 10-20 degrees typically. Necropsy was performed at a mean age of 6.5 years (3-12). This revealed that all 12 MR muscles had reattached to the globe and were firmly attached at the original insertion site by an abnormally long tendon.
Medial rectus spontaneous reattachment after surgery
Reviewed by Fiona Rowe
Spontaneous reattachment of the medial rectus after free tenotomy.
CONTRIBUTOR
Fiona Rowe (Prof)
Institute of Population Health, University of Liverpool, UK.
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