Optic ischemic neuritis
Non-arterial ischemic optic neuropathy (NAION) is thought to be caused by what is often described as “optic nerve stroke”. The condition can cause a sudden loss of vision, especially at the beginning of the morning just after weaking up. Affected patients are usually over the age of 55 and have other pathological conditions such as high cholesterol levels in the blood, hypertension, diabetes, and coronary artery disease.
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