rubeosis irides complicating acquired astrocytoma of solitary optic nerve head a clinicopathologic case report

Monocular fixation with the optic nerve head: a case report.

PURPOSE To document and discuss the case of a patient with left esotropia (ET) who uses the left optic nerve head (ONH) for monocular 'fixation'. CASE REPORT The patient was an 80-year-old male with left ET from early childhood. Retinal tracking monocular fixation measurements with a Nidek MP-1 revealed stable fixation within the left ONH area. In an attempt to challenge the initial observati...

Astrocytoma of the optic nerve.

Recurrent Optic Nerve Pilocytic Astrocytoma: A Rare Case.

Pilocytic astrocytoma is a low grade glioma that affects mostly children and young adults and can occur anywhere in the central nervous system. Pilocytic astrocytoma of the optic nerve is an equally indolent subtype that is often associated with Neurofibromatosis Type I (NFI). A 40-year-old male presented with left sided axial proptosis and exposure keratopathy. MRI revealed a mass in left prox...

Case report: bilateral optic nerve head drusen and glaucoma

Optic nerve head drusen is an incidental finding in current ophthalmological practice. Although patients rarely display symptoms, structural, and functional defects, there are exceptional cases when clinical appearance can make it difficult to diagnose underlying or coexisting conditions, such as glaucoma. The following case report demonstrates how overlapping optic nerve pathologies can interf...

Optic nerve astrocytoma in a dog

Intracranial astrocytomas are relatively uncommon in dogs and optic nerve astrocytomas even more so. This neoplasm should be considered as differential in canine patients with vision loss, retinal detachment, ocular mass, and histopathologic findings of infiltrative fusiform to polygonal glial cells possibly associated with glomeruloid vascular proliferation.

oligodendrocytoma of the optic nerve, report of a case

the case under consideration was a glioma of the optic nerve, one of the rarer tumors. microscopically it was diagnosed as a oligodendrocytoma. the patient, whose disease bage before the age of puberty, complain.ed of poor vision which in the course of five yars resulted in blindne