Abnormal Head Position in Infantile Nystagmus Syndrome

Figure 1

Discordant head turn and tilt induced by his left dominant eye (a and b). Base-out prisms are tested and the abnormal head position improved (40 diopters) (c). Therefore, a 5.5 mm medial rectus recession was performed and the torticollis disappeared (d).

(a)

(b)

(c)

(d)