[…] lateral posterior fixation sutures, simultaneous medial and lateral rectus recessions, and surgery on the normal eye. [10] Y-splitting and recession of the lateral rectus muscle are safe and simple procedure. [5] Conclusion Most patients with DRS are asymptomatic [sjopthal.net]

Occasionally, surgery is not needed during childhood, but becomes appropriate later in life, as head position changes (presumably due to progressive muscle contracture ). [en.wikipedia.org]

The ideal age for botox injection in strabismus is debatable, some authors advice for early injection to reduce tonic muscle contracture [ 17 ] while others prefer to delay the injection beyond two years of age to reduce the rate of reoperation and abnormal [omicsonline.org]

The surgical plan must include releasing of horizontal restrictions, including muscle contractures. [peertechz.com]

Neurol India 2017;65:221-2 Orbital cysticercosis is caused by the larval form of Taenia solium in the orbital cavity. It may involve intraocular or extraocular structures. [neurologyindia.com]