Brown's sheath syndrome (Q68069)

The Brown sheath syndrome is an abnormal binocular alignment caused by abnormalities of ocular movement in one or both eyes characterised by limitation of elevation in adduction. In many cases difficulty for the superior oblique tendon to slide through the trochlea is identified. The condition may be congenital or acquired . This form of strabismus is vertical, a hypotropia, and may also be associated with a V pattern in which there is an exotropia in upgaze.