Removal of vitreous, anterior approach (open sky technique or limbal incision); subtotal removal with mechanical vitrectomy
CPT4 code
Name of the Procedure:
Removal of vitreous, anterior approach (open sky technique or limbal incision); subtotal removal with mechanical vitrectomy. Commonly referred to as Anterior Vitrectomy.
Summary
This procedure involves the removal of a portion of the vitreous, the gel-like substance in the eye, using a mechanical device. It is performed through an anterior approach, either via an open sky technique or limbal incision.
Purpose
The procedure addresses conditions where the vitreous interferes with the patient's vision or poses a risk of complications. The goals are to improve or restore vision, alleviate symptoms, and prevent potential damage to the eye.
Indications
- Severe eye trauma or injury
- Complications from cataract surgery
- Lens displacement
- Certain types of glaucoma
- Vitreous hemorrhage
Patient criteria include having specific symptoms such as blurred vision, pain, or other signs of vitreous complications.
Preparation
- Fasting for at least 8 hours prior to the procedure.
- Adjustments to medications as instructed by your physician.
- Comprehensive eye examination and imaging tests.
- Discussion of medical history, allergies, and current medications.
Procedure Description
- The patient is usually placed under local or general anesthesia.
- An incision is made either through the cornea (open sky technique) or at the limbus.
- A mechanical vitrectomy instrument is inserted through the incision.
- The device suctions and cuts the vitreous gel in a controlled manner.
- The vitreous is removed from the anterior part of the eye.
- The incision is closed with sutures if necessary.
Duration
The procedure typically takes between 30 to 60 minutes.
Setting
This procedure is usually performed in a hospital or an outpatient surgical center.
Personnel
- Ophthalmic Surgeon
- Surgical Nurse
- Anesthesiologist (if general anesthesia is used)
- Surgical Technicians
Risks and Complications
- Infection
- Bleeding
- Increased intraocular pressure
- Retinal detachment
- Cataract formation
- Incomplete removal of vitreous
Most complications can be managed effectively with prompt medical attention.
Benefits
- Improved or restored vision
- Relief from pain and other symptoms
- Reduced risk of further eye damage or complications
Benefits are often realized immediately or within a few days post-procedure.
Recovery
- Eye patch or shield may be used for protection.
- Prescription eye drops to prevent infection and manage inflammation.
- Rest and avoid strenuous activities for at least a week.
- Follow-up appointments to monitor healing and eye health.
Alternatives
- Observation and regular monitoring for mild cases.
- Medication to manage symptoms and complications.
Laser treatments for certain eye conditions.
Each alternative has its own benefits and limitations compared to surgical intervention.
Patient Experience
During the procedure, the patient might feel mild pressure or discomfort but should not experience pain due to anesthesia. Post-procedure, there may be some soreness, and vision may be blurry initially. Pain management includes prescribed medications and rest.