supraduction /su·pra·duc·tion/ (-duk´shun) upward rotation of an eye around its horizontal axis.
su·pra·duc·tion (s  pr -d k shn)n. The moving upward of one eye independently of the other. Also called sursumduction. |
supraduction, sursumduction
the turning upward of a part, especially the eyes.
elevation of the eye
Upward rotation of an eye. It is accomplished by the superior rectus, inferior oblique, lateral rectus (very slightly) and medial rectus (very slightly) muscles. It can be produced voluntarily or by using base-down prisms. Syn. supraduction; sursumduction.
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