Intravitreal injection

Intravitreal Injection

Intravitreal injection (pronounced: in-tra-vit-ree-al in-jek-shun) is a medical procedure that involves injecting medication directly into the vitreous humor of the eye. The term "intravitreal" is derived from the Latin words "intra" meaning within, and "vitreus" meaning glassy, referring to the glassy, gel-like substance that fills the eye.

Procedure

The procedure is performed under local anesthesia to numb the eye and minimize discomfort. A small needle is used to inject the medication through the white part of the eye, known as the sclera. The medication is then dispersed throughout the vitreous humor, reaching the retina and other parts of the eye.

Uses

Intravitreal injections are commonly used to treat various eye conditions, including macular degeneration, diabetic retinopathy, and retinal vein occlusion. The medications delivered through this method often include anti-VEGF drugs, corticosteroids, and antibiotics.

Risks and Complications

While intravitreal injections are generally safe, they can occasionally lead to complications. These may include infection, retinal detachment, cataract formation, and increased intraocular pressure. Patients are typically monitored closely after the procedure to detect and manage any potential complications early.

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Intravitreal injection