superior oblique muscle    n. A muscle with origin above the medial margin of the optic canal, with insertion by a tendon passing through the trochlea to the sclera between the superior rectus and lateral rectus muscles, with nerve supply from the trochlear nerve, and whose action directs the pupil of the eye downward and outward.     "superior oblique muscle." The American Heritage Stedman's Medical Dictionary. Houghton Mifflin Company, 2002. Answers.com GuruNet Corp. 07 Jul. 2005. http://www.answers.com/topic/superior-oblique-muscle superior oblique muscle   The superior oblique muscle is a muscle in the orbit that causes the eye to look downwards when it is already directed medially (looking towards the nose).  It is the only muscle supplied by the trochlear nerve. The superior oblique loops through a pulley like structure (the trochlea) to get the desired movement.     "superior oblique muscle." Wikipedia. Wikipedia, 2005. Answers.com GuruNet Corp. 07 Jul. 2005. http://www.answers.com/topic/superior-oblique-muscle Here are SOM related links to abstracts, articles and other citations of material that are informative. Please feel free share these references with your doctor,family and friends. It is important to note that these resources are here only because the sources have been generous in giving us permission to link to the information. Many resources do not allow us to link directly to the document, but permit a link to their main/home page.  In those cases, instructions will accompany the link information.  For those of us with dial-up connections, this can certainly be more work, but it cannot be avoided. Please let us know whenever you find an abstract, article, citation or any interesting information regarding SOM.  We will do our best to add it to these links. Abstracts: Visuals Videos, diagrams and illustrations to help understand your SOM Abstracts: General  Information of a general nature regarding SOM Abstracts: Case reports Patient experience Abstracts: MRI Magnetic resonance imaging/MRI Abstracts: MVC/MVD Microvascular compression and microvascular decompression surgery Abstracts: Medications Medications used in the treatment of SOM Abstracts: Botulinum Toxin Botox information Abstracts: Surgery Surgical information Abstracts: General ophthalmology General information regarding ophthalmology and neurology Abstracts: Alternative Treatments Other treatments of interest to our members