conclusions demyelinating disease, anterior ischemic optic neuropathy, non-arteritic anterior ischemic optic neuropathy, autoimmune disease, and hereditary optic neuropathy could cause optic neuropathy. normal cbc parameters and the absence of clinical manifestations of vitamin b12 deficiency could not rule out its diagnosis. careful physical examinations and history-taking with a classical app...

toxic optic neuropathy (ton) is a group of medical disorders which can be defined by visual impairment due to optic nerve damage by a toxin. the exposure to a toxic substance can occur at the workplace, with ingestion of materials/ foods containing a toxin, or the use of systemic medications. ton is a disease entity which is not only under-diagnosed, but also often diagnosed at a stage when rec...

background: the effects of high dose steroids for the treatment of methanol optic neuropathy was evaluated in this study. methods: in an interventional case series, 9 patients with a history of sudden visual loss after an ingestion of homemade alcoholic beverages were included in the study. the patients received 250 mg intravenous methyl prednisolone every 6 hours for 4 days continued with oral...

purpose: to compare the effect of high dose intravenous corticosteroid therapy with placebo in the treatment of recent traumatic optic neuropathy (ton). methods: in a double masked-placebo controlled clinical trial, 31 eyes of 31 patients were randomly assigned into two groups. only patients with history of ophthalmic or head trauma within the past 7 days were included. unconscious patients, th...

conclusions although toxoplasmosis nr is rare, it should be considered in the differential diagnoses of nr. case presentation a 13-year-old girl presented with painless subacute visual loss in her right eye for a week at khatam-al-anbia eye hospital in mashhad, iran. following comprehensive evaluation, a diagnosis of toxoplasmic nr was made. the nr favorably responded to classic anti-toxoplasmo...

ANTERIOR ISCHEMIC OPTIC NEUROPATHY (AION) Perioperative Arteritic Anterior Ischemic Optic Neuropathy (AAION) Hypotension Nonarteritic Anterior Ischemic Optic Neuropathy (NAION) RADIATION OPTIC NEUROPATHY POSTERIOR ISCHEMIC OPTIC NEUROPATHY ISCHEMIC OPTIC DISC EDEMA WITH MINIMAL ISCHEMIC OPTIC NEUROPATHY IN SETTINGS OF DYSFUNCTION HEMODYNAMIC COMPROMISE Pre-AION Optic Disc Edema Spontaneous or T...

introduction hypoparathyroidism might cause various musculoskeletal findings, resembling spondyloarthropathies. case presentation we described a 52-year-old woman, diagnosed as a case of undifferentiated spondyloarthropathy for ten years, who was unresponsive to classic anti-inflammatory therapies. she developed anterior ischemic optic neuropathy and had elevated muscle enzymes during the cours...

purpose : to present a patient with radiation chiasma neuropathy, secondary to radiotherapy of paranasal sinus lymphoma who was referred for evaluation of gradual decrease of vision in both eyes case report : the patient was a 38-year-old male, with history of right maxillary sinus lymphoma, who underwent surgery, chemotherapy and radiation therapy. one year after radiotherapy, he noticed gradu...

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Dear Editor: We read with great interest, the case report on ischemic optic neuropathy (1). We would like to add a few points concerning the blood supply of the optic nerve and the correlation with the development of post-operative ischemic neuropathy. Actually, the perioperative or post-operative vision loss (postoperative ischemic neuropathy) is most likely due to ischemic optic neuropathy. I...