A vitreous hemorrhage is bleeding into the thick fluid that fills the centre of the eye. This fluid is called the vitreous gel. The gel is clear, so light passes through it to the retina. The retina is the nerve layer at the back of the eye that sends images to your brain.
Having blood in the vitreous gel can keep light from reaching your retina. This causes vision problems. If the bleeding is severe, it can cause vision loss.
The symptoms of a vitreous hemorrhage start suddenly. They may include:
Symptoms may be worse in the morning. That's because lying down can cause the blood to pool in the back of your eye.
The most common cause is diabetic retinopathy, an eye disease caused by diabetes. In this disease, abnormal blood vessels may grow on the retina. These blood vessels break easily and may leak blood into the eye.
Other things that can cause a vitreous hemorrhage include:
An eye doctor (ophthalmologist) will do a complete eye examination to look for the cause of your symptoms. The doctor may use eyedrops to open (dilate) your pupils. You might also have other tests, such as blood tests or an ultrasound.
If the bleeding is mild, you may not need treatment. Your body will get rid of the blood over time. But this may take several months.
Your doctor may suggest that you sleep with the head of your bed raised about 45 degrees. The doctor may also want you to avoid aspirin and other blood-thinning medicines.
Treatment will depend on what's causing the bleeding and how severe it is. Some problems can be treated using a laser or a freezing probe (cryotherapy). Other problems may require surgery.
Call your doctor or nurse call line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse call line if:
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
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Current as of: March 14, 2017
Kathleen Romito, MD - Family Medicine
& Adam Husney, MD - Family Medicine & Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
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