<prompt> True about optic nerve gliomaSeen in old individualsPainful proptosisCan cause hematomaUnilateral proptosis  <response>: Optic Nerve Glioma Can cause gradual, painless, unilateral Proptosis aw Neurofibromatosis 1 Mainly affect children 1-10 year Have characteristic fusiform enlargement of optic nerve Optic Nerve Glioma - Fusiform Enlargement of optic nerve - Nerve is not seen separately from the mass 