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Arteritic anterior ischemic optic neuropathy (arteritic AION, A-AION or AAION) is vision loss that occurs in giant cell arteritis (also known as temporal arteritis). Temporal arteritis is an inflammatory disease of medium-sized blood vessels that happens especially with advancing age. AAION occurs in about 15-20 percent of patients with ...
This form of ischemic optic neuropathy is generally categorized as two types: arteritic AION (or AAION), in which the loss of vision is the result of an inflammatory disease of arteries in the head called temporal arteritis, and non-arteritic AION (abbreviated as NAION, NAAION, [1] or sometimes simply as AION), which is due to non-inflammatory ...
In 76% of cases involving the eye, the ophthalmic artery is involved, causing arteritic anterior ischemic optic neuropathy. [14] Giant cell arteritis may present with atypical or overlapping features. [15] Early and accurate diagnosis is important to prevent ischemic vision loss. Therefore, this condition is considered a medical emergency. [15]
Concerning the pathology underlying these causes (except idiopathic), "some of the more frequent causes include atheromatous disease of the internal carotid or ophthalmic artery, vasospasm, optic neuropathies, giant cell arteritis, angle-closure glaucoma, increased intracranial pressure, orbital compressive disease, a steal phenomenon, and ...
Compression neuropathy; Congenital distal spinal muscular atrophy; Congenital facial diplegia; Color blindness; Cornelia de Lange syndrome; Corticobasal degeneration; Cotard delusion; Cranial arteritis; Craniosynostosis; Creutzfeldt–Jakob disease; Cumulative trauma disorders; Cushing's syndrome; Cyclic vomiting syndrome; Cyclothymic disorder
Giant cell arteritis should be considered in an older person with jaw claudication, temporal pain, and tiredness. [8] Placing the person on steroids might save both their vision and decrease their risk of stroke. [9] Without treatment a person can quickly go blind in both eyes. [10]
Cranial arteritis; Sickle cell attack; Occlusive vascular disease (slow, progressive) Carotid artery disease; Arterial spasm (TIA) Diabetes mellitus; Collagen diseases; Venous occlusive disease; Thrombosis; Use of hormonal contraception; Endocarditis; Myxoma; Aortic arch syndrome (takayasu) Pre-eclampsia (toxemia of pregnancy) Thromboangiitis ...
Temporal arteritis, the second type of giant cell arteritis, is also a chronic, inflammatory disease involving mid- to large-sized arteries. [8] Temporal arteritis has a higher incidence in people of Scandinavian descent. [8] However, the incidence rate differs based on population, region and races. [8]