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Subconjunctival injection

CPT4 code

Name of the Procedure:

Subconjunctival Injection
Also known as Conjunctival Injection

Summary

A subconjunctival injection is a medical procedure where a medication is injected into the conjunctiva, which is the clear membrane covering the white part of the eye and the inside of the eyelids. This delivers the medicine directly to the eye.

Purpose

The procedure is used to treat various eye conditions such as infections, inflammations, and certain types of glaucoma. It aims to provide direct and effective delivery of medication to the affected area, enhancing the treatment's effectiveness.

Indications

  • Eye infections such as bacterial conjunctivitis
  • Inflammatory conditions like uveitis or scleritis
  • Some types of glaucoma
  • Post-surgical complications requiring localized medication
  • Conditions where topical eye drops are insufficient

Preparation

  • Patients may need to stop wearing contact lenses prior to the procedure
  • Eye assessments and possibly an eye exam will be conducted beforehand
  • Inform the healthcare provider of any current medications or allergies

Procedure Description

  1. The patient's eye is cleaned and sterilized.
  2. A local anesthetic may be applied to numb the eye surface.
  3. The medication is loaded into a syringe with a very fine needle.
  4. The needle is carefully inserted into the conjunctiva, and the medication is slowly injected.
  5. The site is monitored for any immediate reactions.

Tools: Syringe with a fine needle, antiseptic solutions
Anesthesia: Typically local anesthesia (eye drops)

Duration

The procedure typically takes less than 10 minutes.

Setting

This procedure is usually performed in an outpatient clinic or an eye specialist's office.

Personnel

  • Ophthalmologist or an eye care specialist
  • Medical assistant or nurse for support

Risks and Complications

Common risks:

  • Minor bleeding at the injection site
  • Eye discomfort or irritation Rare risks:
  • Infection
  • Subconjunctival hemorrhage (bleeding under the conjunctiva)
  • Allergic reaction to the medication

Benefits

  • Direct and effective treatment for eye conditions
  • Faster relief of symptoms compared to some other methods
  • Minimal systemic side effects due to localized treatment

Recovery

  • Patients might experience mild discomfort or a bloodshot appearance in the eye
  • Instructions may include avoiding rubbing the eye and using prescribed eye drops
  • Recovery typically occurs within a few days
  • Follow-up appointments may be necessary to monitor the eye's response to treatment

Alternatives

  • Oral or topical medications (e.g., eye drops or ointments)
  • Intravitreal injections (directly into the eye)
  • Laser treatments for certain conditions
    Pros and Cons:
  • Alternatives might have slower onset of relief but are less invasive.

Patient Experience

  • Minimal discomfort due to local anesthesia
  • Possible mild stinging or pressure during the injection
  • Post-procedure, there might be a feeling of grittiness or slight soreness in the eye
  • Pain is generally minimal and manageable with over-the-counter pain relievers if needed

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