Tumors of the optic nerve, while not extremely rare, seldom attain the size of the ones reported in this case. These, in addition, are bilateral. The three previously recorded of about the size of those here presented were diagnosed neurofibroma.
David Verner, a Negro, aged 21, admitted to the Roper Hospital Oct. 18, 1934, suffered a burn of the left eye, with no impairment of vision in 1918. The details of this accident were not given, but the patient was quite definite about the year in which it occurred and also about the dates of the stages of the progress that followed.
In 1921 the left eye "began to grow." In 1922 "growth" commenced in the right eye, and both eyes became progressively exophthalmic from that date. Loss of vision occurred in 1924 in the left eye, which was first affected. That was six years after the burn and three