Recession and Resection (R&R)
Strabismus (abnormal ocular alignment) is a common problem in children. Misalignment may be vertical, horizontal, torsional, or a combination of these. Although strabismus can be treated with conservative therapy such as prisms, patching, glasses, and orthoptic exercises, many cases require surgery for correction. Horizontal eye muscle surgery is the most common strabismus surgery performed and is used for patients with exo- and eso-deviations, dissociated vertical deviations, abnormal head postures, and/or nystagmus. Several techniques are available for treatment of strabismus and may include resection, recession, splitting of muscles, or any combination of these treatments. Bilateral muscle recessions/resections may be performed, or surgery may be done on antagonist muscles of the same eye, depending on diagnosis and surgeon preference.
Rush D, Nattis AS. Recession and resection (R&R). In: Rosenberg ED, Nattis A, Nattis RJ, editors. Operative dictations in ophthalmology. Cham, Switzerland: Springer International Publishing; 2017. pp. 347-9.