Condition
Optic Neuropathy, Ischemic
Ophthalmology
Overview
Ischemic injury to the OPTIC NERVE which usually affects the OPTIC DISK (optic neuropathy, anterior ischemic) and less frequently the retrobulbar portion of the nerve (optic neuropathy, posterior ischemic). The injury results from occlusion of arterial blood supply which may result from TEMPORAL ARTERITIS; ATHEROSCLEROSIS; COLLAGEN DISEASES; EMBOLISM; DIABETES MELLITUS; and other conditions. The disease primarily occurs in the sixth decade or later and presents with the sudden onset of painless and usually severe monocular visual loss. Anterior ischemic optic neuropathy also features optic disk edema with microhemorrhages. The optic disk appears normal in posterior ischemic optic neuropathy. (Glaser, Neuro-Ophthalmology, 2nd ed, p135)
This information is general and should not be treated as medical advice. Always speak directly with a qualified healthcare professional before making decisions about treatment, diagnosis, procedures, medicines or care.
Quick facts about Optic Neuropathy, Ischemic
- Topic type
- Condition
- Category
- Ophthalmology
- MeSH classification
- C10.292.700.600|C11.640.643|C14.907.601
Preparing for an appointment about Optic Neuropathy, Ischemic
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- Write down your symptoms and when they started.
- Bring details of any medicines, supplements or previous treatments.
- Ask what tests or assessments may be needed.
- Ask what treatment or management options may be suitable.
- Ask when you should seek urgent medical help or follow-up care.
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Source: Medical Subject Headings (MeSH), produced by the U.S. National Library of Medicine. EuroCareFinder is not endorsed by the National Library of Medicine. MeSH version: 2026.