Adduction is the inward movement of the eye towards the nose. It is controlled by the medial rectus muscle, which is innervated by the oculomotor nerve (cranial nerve III).
adduction
Sources
Rutstein, R., Daum, K. (1997). Anomalies of Binocular Vision: Diagnosis & Management, Mosby.
Gunton, K. B. (2015). Dissociated vertical deviation: clinical features, associated abnormalities, and a new pathogenetic concept. Eye, 29(2), 213-220.
Riordan-Eva, P., & Whitcher, J. P. (2008). Vaughan & Asbury’s general ophthalmology. McGraw-Hill Medical Pub.
Kushner, B. J. (2017). Diagnosis and treatment of diplopia. In Pediatric Ophthalmology and Strabismus (pp. 1023-1046). Springer, Berlin, Heidelberg.