Ischemic optic neuropathy, bilateral Save

What is Bilateral Ischemic Optic Neuropathy?

Bilateral Ischemic Optic Neuropathy (BION) is a rare eye disease that affects the optic nerve and can cause vision loss in both eyes. It is characterized by a sudden, painless, and progressive loss of vision in both eyes. BION is caused by a decrease in the blood supply to the optic nerve, which is the part of the eye responsible for transmitting visual signals from the eye to the brain.

The most common cause of BION is a decrease in blood supply to the optic nerve due to a blockage in the blood vessels that carry oxygen and nutrients to the nerve. This can be caused by a number of factors, including a stroke, a blood clot, or a build-up of plaque in the blood vessels. It is also important to note that BION can be caused by a variety of other medical conditions, such as diabetes, high blood pressure, and atherosclerosis.

The symptoms of BION include a sudden and painless loss of vision in both eyes. This may be accompanied by color vision changes, blurred vision, and difficulty focusing on objects. BION typically affects both eyes at the same time and can cause a severe and permanent loss of vision.

Diagnosis of BION is made through a comprehensive eye exam and imaging tests, such as a magnetic resonance imaging (MRI) scan and a computerized tomography (CT) scan. Treatment of BION varies depending on the underlying cause. Options may include medications to reduce inflammation, laser therapy, or surgery to improve blood flow to the optic nerve.

BION is a serious condition that can cause permanent vision loss. If you experience any of the symptoms of BION, it is important to seek medical attention right away. With timely diagnosis and treatment, it is possible to slow the progression of the disease and preserve vision.