Extraocular Muscle Stretching as a Weakening Procedure

Interventional case series. Non-operated patients with an indication of medial rectus muscle weakening surgery (deviation up to 20 PD) who could cooperate with topical or sub-Tenon's anesthesia. Clinical workup includes routine complete ophthalmological evaluation. One double needle 6/0 Mersilene suture is used on each side of the muscle at 4 mm distance of the insertion and pulled / stretched to insert in the sclera 3-5 mm posterior to the muscle locking passes. Seven patients with esotropia of 12-20 PD were included.