The outward wheel-like rotation or torsional movement of the eye around its anteroposterior axis, causing the superior pole of the vertical meridian to rotate temporally. It often occurs due to imbalances in the actions of the oblique extraocular muscles.
The outward wheel-like rotation or torsional movement of the eye around its anteroposterior axis, causing the superior pole of the vertical meridian to rotate temporally. It often occurs due to imbalances in the actions of the oblique extraocular muscles.
extorsion (excyclodeviation)
Sources
American Academy of Ophthalmology. 2020. Pediatric Ophthalmology/Strabismus: Basic and Clinical Science Course. San Francisco: American Academy of Ophthalmology.
Ansons, A.M. and Davis, H. eds. 2014. Diagnosis and management of ocular motility disorders. 4th ed. Oxford: Wiley-Blackwell.
Noorden, G.K. and Campos, E.C. 2002. Binocular vision and ocular motility: theory and management of strabismus. 6th ed. St. Louis: Mosby.
Rutstein, R. and Daum, K. 1997. Anomalies of Binocular Vision: Diagnosis & Management. St. Louis: Mosby.
Rowe, F.J. 2012. Clinical orthoptics. 3rd ed. Oxford: Wiley-Blackwell.
Von Noorden, G.K. and Campos, E.C. 2002. Binocular vision and ocular motility: theory and management of strabismus. 6th ed. St. Louis: Mosby.