Subconjunctival Injection
In cases of ocular tissue inflammation, severe swelling, or recovery from ophthalmological surgery, eye drops don't always provide sufficient local effect. A subconjunctival injection in Moscow at K+31 is performed when the medication needs to be delivered under the conjunctiva, closer to the area of inflammation. Before the procedure, the doctor examines the eyeball, assesses the patient's symptoms, confirms the diagnosis, and rules out any restrictions.
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When do we recommend a subconjunctival injection?
Indications for a subconjunctival injection arise when a medication needs to be delivered closer to the ocular tissue. This method can be part of a comprehensive eye treatment, but does not replace diagnostics. The decision is made by a doctor after an in-person examination.
Inflammation, redness, swelling, and other common indications
Eye inflammation can manifest as pain, a foreign body sensation, photophobia, lacrimation, and decreased visual acuity. Complaints alone cannot accurately determine the treatment method needed for a patient. Therefore, a doctor determines the indications for a subconjunctival injection only in person, after examining the eye tissue.
Such indications may include:
- Severe eye redness
- Pain and swelling of the eye
- Poor response to topical medications
- Recovery after surgery
If the condition can be controlled with drops, the injection method is not used.
Postoperative Period and Ocular Tissue Recovery
After surgery, tissue may react with swelling, moderate inflammation, and discomfort. Subconjunctival injection may be used as part of the postoperative regimen if the physician needs to create a local concentration of the drug near the surgical site.
Other clinical situations requiring a rapid local effect
In some cases, a subconjunctival injection is necessary for trauma, infection, or complicated inflammation. If eye inflammation persists or vision changes, an ophthalmologist consultation is necessary.
When the procedure is not performed
Injection is not suitable for every patient. Before prescribing, the doctor will ask:
- Have there been any allergic reactions to medications?
- Are there any concomitant diseases?
- Is the patient taking anticoagulants?
If the risk of complications outweighs the expected benefit, the doctor will choose a safer treatment option: drops, ointment, or systemic therapy.
Main contraindications
Contraindications include drug intolerance, allergy to anesthetics, active purulent processes, and severe blood clotting disorders. The doctor will evaluate contraindications before the procedure.
What tests and examinations are needed before prescribing?
Before administering the medication, the doctor will check the patient's vision, examine the anterior segment of the eye, and evaluate the conjunctiva, cornea, eyelids, and the patient's complaints. A consultation with an ophthalmologist can help determine whether an injection is necessary.
General information
How the procedure is performed at K+31
The patient is explained in advance how the subconjunctival injection is performed and what sensations they may experience after the visit. At our clinic, the ophthalmologist performs the procedure in a prepared room. The eye's condition is monitored before and after the injection.
Preparation for the injection and local anesthesia
Before the procedure, the doctor verifies the prescription, checks on the patient's well-being, and examines the eye. Then, an antiseptic solution is applied and local anesthesia is administered in the form of drops. After the anesthesia is administered, the injection site is selected.
Procedure steps
How the subconjunctival injection is performed: the solution is injected slowly, under the conjunctiva, into a pre-selected area. The procedure typically includes:
- Confirmation of the prescription
- Anesthesia and preparation
- Subconjunctival injection of the drug
- Post-injection examination
After the injection, a small bump may appear under the conjunctiva. This usually gradually diminishes.
What the patient feels during and immediately after the injection
During the injection, pressure, brief discomfort, burning, or a foreign body sensation are possible. The injection into the eye should not be accompanied by sharp pain, sudden deterioration of vision, or increasing swelling.
Frequently Asked Questions
Before the appointment, the patient is explained the procedure's symptoms, duration, and limitations. This reduces anxiety and helps them feel more comfortable during the visit.
Is a subconjunctival injection painful?
How long does the procedure take?
Is any preparation necessary before the visit?
What restrictions are there after the injection?
Why patients choose K+31
At our clinic, doctors first identify the cause of your complaints and then explain the treatment. This process makes eye treatment more understandable. The patient isn't left alone with the procedure: the doctor provides recommendations and explains the next steps.
Convenient scheduling and a clear patient flow
At K+31, you can schedule an appointment in Moscow and receive an explanation of each treatment step. The doctor will clarify your complaints, conduct an examination, and assess any contraindications. If an eye injection is required, the patient will be informed in advance why it is needed and what restrictions apply after the visit.
Why it's important not to delay a consultation with an ophthalmologist
If you experience pain, severe redness, or deteriorating vision, you shouldn't self-select a treatment. If you have any warning signs, a consultation with a doctor at K+31 can help you determine whether an injection, drops, observation, or another method is necessary.
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What is a subconjunctival injection?
A subconjunctival injection is a local administration of a medication under the conjunctiva. This is the name given to the thin membrane that covers the surface of the eye.
The solution is injected near the sclera, cornea, and tissues of the anterior segment. This method is prescribed when the doctor needs to enhance the effect of the medication in a specific area.
How the medication works and why it works locally
A small patch of solution is formed under the conjunctiva. From there, the medication is distributed near the inflamed or healing tissue, making local therapy more precise than traditional eye drops.
How does a subconjunctival injection differ from eye drops and traditional injections?
Drops act primarily on the surface of the eye. Systemic medications reach the tissues through the bloodstream.
A subconjunctival injection delivers the medication closer to the treatment area and helps reduce the overall medication load compared to tablets or intramuscular injections. Patients often refer to the procedure as an eye injection, although the medication is administered under the conjunctiva.