Preschooler with difficulties with vision

MRI of macrophtalmia and optic pathway glioma in neurofibromatosis type I
Axial (above) and coronal (below) T2 MRI without contrast of the brain shows the left globe is larger than the right globe. The optic nerves bilaterally are thickened and tortuous.

The diagnosis was left macrophthalmia and bilateral optic pathway gliomas in a patient with neurofibromatosis type I.