Definition: irreversible death of the axons that composes the optic nerve
Clinical manifestations: visual loss of variable degree, which can include loss of acuity (i.e., sharpness of...
Family history of visual loss
History of congenital or other neurologic disorders
History of known etiology for ONA
Painless loss of visual acuity
Bilateral; can be synchronous or metachr...
Optic nerve damage may be reversible, so early detection and treatment of the underlying etiology is critical.
Correction of an underlying nutritional deficiency and discontin...
Determined by the associated cause
Progressive ONA may require more frequent follow-up and second- and third-line evaluation for etiologies of ONA.
H47.20 Unspecified optic atrophy
H47.22 Hereditary optic atrophy
H47.219 Primary optic atrophy, unspecified eye
H47.299 Other optic atrophy, unspecified eye
H47.239 Glaucomatous optic atrophy, ...
ONA is an ophthalmoscopic sign and not an etiologic diagnosis. It is characterized by pale optic disc on funduscopic exam associated with clinical evidence for ONA.
Symptoms of ONA migh...
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