Partial retinal artery occlusion digital illustration

Partial retinal artery occlusion Save

ICD-10 code: H34.21

Chapter: Diseases of the eye and adnexia

Partial Retinal Artery Occlusion: A Brief Overview

Partial retinal artery occlusion (PRAO) is a medical condition that occurs when the arteries of the retina become partially blocked, leading to decreased blood flow and oxygen supply to the affected area. This condition can cause vision loss and other serious complications if left untreated.

The main cause of PRAO is the formation of a blood clot or plaque in the central retinal artery or one of its branches. This can occur due to a variety of factors, including high blood pressure, diabetes, smoking, and high cholesterol levels. Additionally, certain medical conditions and medications can increase the risk of developing PRAO.

The symptoms of PRAO can vary depending on the severity and location of the blockage. However, common symptoms include sudden vision loss in one eye, blurry vision, and seeing dark spots or lines in the affected eye. Some individuals may also experience eye pain, headache, and nausea.

If you experience any of these symptoms, it is important to seek medical attention immediately. A prompt diagnosis and treatment can help prevent further vision loss and reduce the risk of complications.

Treatment for PRAO

The main goal of treatment for PRAO is to restore blood flow to the affected area of the retina and prevent further damage. Treatment options may include:

  1. Medications: Certain medications, such as blood thinners and anti-inflammatory drugs, may be prescribed to reduce the risk of blood clots and inflammation.
  2. Laser therapy: This treatment involves using a laser to create tiny burns in the retina, which can help improve blood flow and reduce swelling.
  3. Intravenous therapy: In some cases, medication may be administered directly into the bloodstream to help dissolve blood clots and improve circulation.

In severe cases, surgery may be necessary to remove the blockage and restore blood flow to the affected area.

Preventing PRAO

While PRAO cannot always be prevented, there are steps individuals can take to reduce their risk of developing this condition. These include:

  1. Maintaining a healthy lifestyle: Eating a balanced diet, exercising regularly, and avoiding smoking can help reduce the risk of high blood pressure, diabetes, and high cholesterol, which are all risk factors for PRAO.
  2. Managing medical conditions: If you have a medical condition that increases your risk of PRAO, such as high blood pressure or diabetes, it is important to work with your healthcare provider to manage the condition effectively.
  3. Getting regular eye exams: Routine eye exams can help detect early signs of PRAO and other eye conditions, allowing for prompt diagnosis and