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June 1984

The Shape of the Trochlea

Author Affiliations

From the Department of Ophthalmology, University of Cincinnati College of Medicine.

Arch Ophthalmol. 1984;102(6):932-933. doi:10.1001/archopht.1984.01040030752039

• Dissections and serial sections of human orbits showed the shape of the trochlea to be more complex than has been previously described. A grooved cartilaginous flange extends posterolaterally from the front of the trochlea, guiding the reflected portion of the superior oblique tendon.

Duke-Elder S (ed): System of Ophthalmology . St Louis, CV Mosby Co, 1961, vol 2: Duke-Elder S, Wybar KC: The Anatomy of the Visual System, p 421.
Warwick R: Eugene Wolff's Anatomy of the Eye and Orbit , ed 7. Philadelphia, WB Saunders Co, 1976, pp 263, 303-305.
Sacks JG:  Peripheral innervation of extraocular muscles . Am J Ophthalmol 1983;95:520-527.
Helveston EM, Merriam WW, Ellis FD, et al:  The trochlea: A study of the anatomy and physiology . Ophthalmology 1982;89:124-133.Article
Sevel D:  Brown's syndrome: A possible etiology explained embryologically . J Pediatr Ophthalmol Strabismus 1981;18:26-31.
Fink WH: Surgery of the Vertical Muscles of the Eye , ed 2. Springfield, Ill, Charles C Thomas Publisher, 1962, p 43.