• 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.
Sacks JG. The Shape of the Trochlea. Arch Ophthalmol. 1984;102(6):932-933. doi:10.1001/archopht.1984.01040030752039