Intravitreal injections are commonly used to treat retinal diseases, such as diabetic retinopathy, macular degeneration, macular oedema and retinal vein occlusion. These diseases may cause permanent loss of central vision and should be treated as early as possible. Medications like Lucentis, Avastin, Eylea or triamcinolone can be injected directly into the eye to help patients maintain their vision and keep loss at a minimum.

Intravitreal injections are especially effective in treating wet age-related macular degeneration, which, although less common than the dry form, accounts for more than 90{f41b8f6fb753ffddef9325fd3a43d0beafc65648567813d504441f6babbdd7fd} of blindness caused by the disease.

This procedure is performed in theatre and requires only a local anaesthetic. Before the medication is injected, the eye is numbed with anaesthetic eye drops to help minimise discomfort. The eye is then cleaned with an antiseptic solution. The medication is then injected directly into the eye. Intravitreal injections may be administered as frequently as once a month, depending on the condition being treated, in order to maintain eye health and optimise the vision.

Patients may experience some pain (rarely) or scratchy sensations after the injection. Sometimes, patients can develop conjunctival haemorrhage (bleeding on the surface of the white of the eye), floaters, increased eye pressure and inflammation of the eye. These side effects typically resolve spontaneously or can be treated with eye drops. Other less common risks include infection, bleeding in the eye, retinal tears or detachment and cataract formation.

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