Fyeyes   Eye Diseases

Retinal Vein Occlusion - Symptoms, Causes and Treatment

07-04-2024

What is Retinal Vein Occlusion?

Retinal Vein Occlusion is a condition that occurs when one of the veins that carries blood away from the retina becomes blocked, leading to a backup of blood and increased pressure in the eye. This blockage can cause damage to the retinal tissue and can result in vision loss if not promptly treated. Retinal Vein Occlusion can be categorized as either branch retinal vein occlusion (BRVO) or central retinal vein occlusion (CRVO), depending on the location of the blockage within the eye. Proper diagnosis and management of Retinal Vein Occlusion are crucial in preventing further complications and preserving vision for the patient.

What Are The Causes Of Retinal Vein Occlusion?

Retinal Vein Occlusion occurs when a blockage or obstruction in one of the veins that carries blood away from the retina prevents proper blood flow. This blockage can be caused by a variety of factors, including atherosclerosis, high blood pressure, diabetes, blood clotting disorders, or inflammation. Additionally, certain conditions such as glaucoma or macular edema can also contribute to the development of Retinal Vein Occlusion. By understanding the underlying causes of this condition, optometrists can provide appropriate treatment and management options to help preserve vision and prevent further complications.

What Are The Risk Factors For Retinal Vein Occlusion?

Risk factors for Retinal Vein Occlusion include age, as the condition is more common in older individuals. Other risk factors include high blood pressure, diabetes, smoking, and a history of blood clots. Additionally, individuals with certain medical conditions such as glaucoma and cardiovascular disease may also be at a higher risk for developing Retinal Vein Occlusion. It is important for individuals with these risk factors to have regular eye exams to monitor their eye health and catch any potential issues early on.

What Are The Symptoms Of Retinal Vein Occlusion?

Symptoms of Retinal Vein Occlusion can vary depending on the type and severity of the condition. Common symptoms may include sudden, painless vision loss in one eye, blurry or distorted vision, dark spots or floaters in the field of vision, and a sudden increase in eye pressure. Some patients may also experience decreased peripheral vision or changes in color perception. It is important to seek immediate medical attention if you experience any of these symptoms to prevent further damage to the retina and preserve your vision.

How is Retinal Vein Occlusion Diagnosed?

Retinal Vein Occlusion is typically diagnosed through a comprehensive eye examination conducted by an optometrist. During the examination, the optometrist will use various tests and tools to assess the retina, including a dilated eye exam to examine the blood vessels at the back of the eye. Optical coherence tomography (OCT) may also be used to produce detailed cross-sectional images of the retina, allowing the optometrist to identify any blockages or swelling. In some cases, fluorescein angiography may be performed to provide further information about blood flow in the retina. These diagnostic tests help the optometrist accurately identify and diagnose Retinal Vein Occlusion.

How is Retinal Vein Occlusion Treated?

Retinal Vein Occlusion is typically treated through a combination of medical interventions and lifestyle modifications. Treatment options for Retinal Vein Occlusion may include injections of anti-VEGF medications to reduce swelling and improve vision, laser therapy to seal off leaking blood vessels, and steroid injections to reduce inflammation. In some cases, surgery may be necessary to remove blood clots or repair damaged blood vessels. Additionally, managing underlying health conditions such as high blood pressure or diabetes can also help improve outcomes for patients with Retinal Vein Occlusion. It is important for patients to work closely with their healthcare team to determine the most appropriate treatment plan for their individual needs.

Is There A Cure For Retinal Vein Occlusion?

Unfortunately, there is currently no cure for Retinal Vein Occlusion. However, there are treatment options available that can help manage the condition and prevent further vision loss. These treatments may include medications, laser therapy, or surgery, depending on the severity of the occlusion and the individual's specific circumstances. It is important for individuals with Retinal Vein Occlusion to work closely with their eye care team to develop a personalized treatment plan and regularly monitor their eye health to prevent complications and maintain optimal vision.

How Can Retinal Vein Occlusion Be Prevented?

Retinal Vein Occlusion can potentially be prevented by maintaining a healthy lifestyle and managing any underlying health conditions that may increase the risk of developing the condition. This includes regular exercise, maintaining a healthy weight, and monitoring blood pressure and cholesterol levels. Additionally, quitting smoking and managing any chronic conditions such as diabetes or hypertension can also help reduce the risk of developing Retinal Vein Occlusion. It is important to schedule regular eye exams with an optometrist to monitor for any changes in eye health and address any concerns promptly.

Schedule An Appointment

Adult Eye Exams At Our Edmonton Eye Clinic

Our advanced eye exams consist of 25+ modern tests and digital scans to assess eye health, function, and visual acuity.

Adult Eye Exams »

Child Eye Exams At Our Edmonton Eye Clinic

Give your child a clear future with an annual eye exam from our experienced Edmonton optometrists.

Child Eye Exams »

Senior Eye Exams At Our Edmonton Eye Clinic

Maintain your vision through your golden years with gold standard eye care from the optometrists at our Edmonton eye clinic.

Senior Eye Exams »

Contact Lens Eye Exams At Our Edmonton Eye Clinic

Our eye exams for contact lens wearers include test and digital scans to assess eye health, function, visual acuity, and lens fit.

Contact Lens Eye Exams »

Diabetic Eye Exams At Our Edmonton Eye Clinic

Managing diabetes requires regular eye exams to ensure that diabetes is not causing irreversible vision loss.

Diabetic Eye Exams »

Dilated Eye Exams At Our Edmonton Eye Clinic

Dilating the eyes enables our Edmonton optometrists to see more of the eye so that you many never see less.

Dilated Eye Exams »



Exam Pre-Testing: Tonometer

Corneal Thickness | Intraocular Pressures | Visual Field

Pre-testing is a detailed process that gathers all necessary information for the optometrist in advance of the optometrist-administered eye examination. This process involves completing a detailed patient history, as well as a series of standard tests. Pre-testing is an essential part of the comprehensive eye exam process, providing valuable information and visuals for both the optometrist and the patient.

More About Pre-Testing »
Exam Advanced Eye Testing: Optical Coherence Tomography

Retinal Photography, OCT, Topography

eye-deology Vision Care differentiates itself from other clinics by having the most advanced modern diagnostic specialty testing equipment. Specialty equipment, such as a wide-angle high-resolution retinal imager, Optical Coherence Tomography (OCT), Humphrey Visual Field Analyzer and corneal topographer, ensures that patients receive the best comprehensive eye care.

More About Advanced Testing »
Optometrist-Performed Examination: Refraction

Health Assessment & Disease Diagnosis

eye-deology Vision Care Edmonton optometrists perform a multitude of tests and assessments to evaluate ocular health, eye coordination, and visual acuity. In addition, they also evaluate the results of the tests and scans performed during pre-testing. As part of patient education, our optometrists also take the time to show and explain results to patients.

More About Doctor Exam »
Prescription Eye Glass Consultation and Measurements

Prescription | Lens Selection | Digital Fitting

If you require corrective lenses to improve your vision, our licensed opticians will customize their fit to your unique attributes, needs, lifestyle, and budget. Our opticians are happy to provide you with information about the latest eyeglass frame and lens technologies available so you can make informed decisions and begin seeing and looking your best.

More About Eyewear Consult »


In some cases, Retinal Vein Occlusion can result in permanent vision loss, especially if it is not promptly diagnosed and treated. It is important to seek medical attention as soon as possible if you experience any symptoms of Retinal Vein Occlusion.

Unfortunately, there is currently no way to reverse the damage caused by Retinal Vein Occlusion. However, treatments are available to help manage the condition and prevent further vision loss.