Intravitreal Injections
An intravitreal injection is a common procedure used to deliver medication directly into the vitreous cavity, the space in the back of the eye. Retina specialists use intravitreal injections to treat a variety of retinal conditions and help reduce swelling, fluid leakage, inflammation, or abnormal blood vessel growth.
Intravitreal injections are typically performed in the office and take only a few minutes.
What Are Intravitreal Injections Used For?
Intravitreal injections may be used to treat several retinal conditions, including:
- Age-related macular degeneration (AMD)
- Diabetic retinopathy and diabetic macular edema
- Retinal vein occlusion
- Uveitis and other inflammatory eye conditions
- Certain infections inside the eye
The medication used depends on the condition being treated. Common medications include anti-VEGF drugs, steroids, antibiotics, antiviral medications, and antifungal medications.
What to Expect During the Procedure
Intravitreal injections are performed in the office with the patient comfortably reclined. Before the injection, numbing drops or gel are applied to the eye, and the eye and surrounding area are carefully cleaned to reduce the risk of infection.
Your retina specialist then uses a very small needle to deliver the medication into the vitreous cavity. Most patients feel pressure or mild discomfort rather than significant pain. The entire process typically takes about 10–15 minutes.
After the Injection
Most patients can return to their normal activities following an intravitreal injection. You may notice some temporary irritation, redness, or a small spot of bleeding on the white part of the eye. These effects generally resolve on their own.
You should contact your retina specialist promptly if you experience:
- Increasing eye pain
- Decreased or worsening vision
- Increased sensitivity to light
- A significant increase in floaters, particularly after the first day
These symptoms can indicate a complication that requires prompt evaluation.
Safety & Results
Intravitreal injections are generally very safe, and serious complications are uncommon. Potential complications include infection, inflammation, bleeding, retinal detachment, and a temporary increase in eye pressure.
For many retinal conditions, intravitreal injections have become an important part of treatment and can help reduce vision loss, improve vision, and preserve retinal health.
Your retina specialist will discuss the medication recommended for your condition, how often treatment may be needed, and what you can expect throughout your care.
