Intravitreal injection
Intraocular injections may be needed in patients with macular edema (macula) or neovascularisation due to the wet type of age-related macular degeneration, diabetes mellitus, retinal vein thrombosis or some other eye diseases.
During the intraocular injection process, a drug that works against edema and the creation of new blood vessels is inserted into the eye, thereby reducing the amount of substances in the eyes that cause the above changes.
Why do they spend it? What diseases can be treated with their use?
Injecting these medications directly into the vitreous cavity allows for the treatment of eye disorders and the protection of vision.
Some of the diseases most frequently in which intravitreal injections are made:
- VDM (age-related macular degeneration), a degenerative disorder that affects the central region of the retina (macula) and contributes to central vision loss.
- A neovascular membrane which develops with different retina diseases (e.g., high myopia, central serous central choroidopathy, etc.).
Macular edema (thickening of the macula), regardless of its causes (the most common are the following):
- Diabetic Macular Edema;
- Macular edema that develops with blockage of blood vessels;
- Macular cystic edema;
- Intraocular infections (endophthalmitis);
- Intraocular inflammation (uveitis).
Repeated intraocular injection is also needed, as macular edema and neovascularization resume and vision deteriorate after the medication is discontinued. Edema can be tracked using an OCT test (Optical Coherence Tomography)). The retina is viewed in layers, enabling a very precise measurement of the condition of the retina and the existence of oedema. The analysis takes about 5 minutes, and needs no prior patient planning.
The intraocular injection procedure is performed as an outpatient by an ophthalmologist in the operating room under sterile conditions; inpatient care is not needed. Using correct eye drops, the pupil becomes dilated, the effect of which occurs within 20-30minutes. The treatment itself is painless, eye drops anesthetizing are used to anaesthetize the skin.
Slight redness and eye irritation can occur after intraocular injection. Within a few days, all those symptoms will vanish. The black spots and dots can also appear before the eyes. It is due to the vitreous body clouding, and is not dangerous.
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