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KMID : 1036520190090020037
Clinical Neuro-Ophthalmology
2019 Volume.9 No. 2 p.37 ~ p.39
Retinopathy Mimicking Optic Neuropathy
Shin Sun-Young

Abstract
A large number of conditions can affect the optic nerve such as inflammatory, compressive, ischemic, toxic, hereditary, and trauma. Patients with optic neuropathy may have symptoms such as decrease in visual acuity with visual field defect, as well as the pain with eye movement, relative afferent pupillary defect, and decreased color vision. It is important to know the typical symptoms, signs, and course of optic neuritis, of which the exact terminology is “idiopathic demyelinating optic neuritis”. In the case of sudden visual impairment with optic disc edema, ophthalmologic examinations as well as serologic and imaging tests are performed to identify the cause of optic neuropathy. After all the findings have been fully ruled out and there is no other cause that can cause optic neuropathy, then the diagnosis of “idiopathic demyelinating optic neuritis (IDON)” will confirmed. Other diagnosis than IDON is considered with follows: bilateral optic disc swelling, loss of eyeball pain or strong pain enough to wake up at midnight, severe vision loss of 20/200 or lower, symptom progression for over two weeks, or sustained more than 3-4 weeks. Also the neuro-ophthalmologists should be aware of the various retinopathies mimicking the optic neuropathy. In order not to miss the retinal disorders when accompanied with optic disc edema, accurate fundus examination is needed at the time of diagnosis of optic neuritis. We will discuss the conditions, symptoms and the signs of various retinal diseases that can be mistaken for optic neuritis, and the strategies to distinguish them from optic neuritis.
KEYWORD
Optic disc swelling, Optic neuropathy, Retinopathy
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