Indications for intraocular injection

What is intraocular injection, is intraocular injection painful is the question of many people with eye diseases, especially in the fundus, deep inside the eye. So what disease is intraocular injection indicated?

Intraocular injection is a technique of injecting medication through the sclera (white part) to deliver medication into the vitreous (the thick fluid in the eye). From the vitreous, the drug is absorbed into the retina and other structures of the eye to treat certain medical conditions.

Intraocular injection is the indicated treatment for the following diseases:
Macular degeneration: This is a common disease in the elderly, the treatment period for macular degeneration is at least 1 year. Macular edema: Disease caused by chronic diseases such as diabetes, retinal vasculitis, retinal vein occlusion, which reduces vision and other causes. Endophthalmitis: includes exogenous endophthalmitis and endogenous endophthalmitis. Intraocular injection is contraindicated in patients with infection, allergy to the drug, women who are planning to become pregnant, are pregnant or breast-feeding.

The technique for conducting intraocular injection includes the following basic steps:
Step 1: The patient lies flat and stays in place while injecting. In case of need, the patient can be prescribed a sedative before the injection. Step 2: The patient is anesthetized with eye drops, disinfected with an antiseptic solution and antibiotics. Step 3: The doctor uses a fine needle to inject through the sclera (white part) and then slowly inject the drug into the vitreous (in the center of the eye).

Depending on the therapeutic purpose, there are drugs used in intraocular injection as follows:
Avastin: An inhibitor of vascular endothelial growth factor, abbreviated as anti-VEGF, used to treat macular degeneration. spots in the elderly and other fundus pathologies. Lucentis: Is an anti-VEGF drug, used to treat diabetic macular edema, macular edema caused by vascular diseases, wet macular degeneration. Ozurdex: An implantable corticosteroid, used to treat various types of diabetic macular edema, cystic and uveitis. Antibiotics: Drugs used to treat infections in the vitreous caused by endophthalmitis.

When injected intraocularly, the patient may experience mild pain and discomfort, but this is only a temporary symptom and thanks to the previous anesthetic, the patient feels only mild pain or may not feel any pain. In addition to mild pain, patients may experience one of the following complications, but the incidence is usually low and temporary:
Bleeding is small, the eyes are slightly red, but this symptom can go away on its own after about 5 days. Heavy bleeding, retinal detachment, cataracts, are very rare with intraocular injection but may cause visual loss due to intravitreal hemorrhage. In these cases, the patient needs surgery to restore vision. Increase the risk of bacterial infections that cause eye inflammation, at this time the doctor will use anti-inflammatory drugs to treat. Glaucoma, endophthalmitis. In summary, intraocular injection is the indicated technique for the treatment of macular disease and other fundus diseases.
Currently, Eye Specialist - Vinmec International General Hospital is the address for examination, treatment and prevention of eye diseases including endophthalmitis. When performing the examination process at Vinmec, customers will be welcomed and used modern facilities and machinery along with perfect medical services under the guidance and advice of doctors. well-trained doctors, both at home and abroad.