The procedure is usually painless, as it is performed under local anesthesia, and the patient may only feel slight discomfort or minor pressure during the injection.

How long does the gas bubble stay inside the eye?

The duration varies depending on the type of gas used; the gas bubble may persist for several weeks and gradually dissolve without further intervention.

Does vision improve immediately after air retinal fixation surgery?

Vision does not improve immediately, but rather gradually improves as the retina adheres and the gas bubble disappears.

When can I travel by plane after having my retina implanted in the air?

Air travel should be avoided entirely until the gas bubble has completely dissipated, as the pressure change can cause a dangerous increase in eye pressure.

Can retinal detachment recur after air retinal fixation treatment?

Yes, in some cases, a new separation may occur, which necessitates re-evaluation and may require repeating the procedure or resorting to surgery, depending on the case.

Pneumatic retinopexy: A comprehensive guide to treating retinal detachment without surgery

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Pneumatic retinopexy is a relatively new treatment technique for retinal detachments and has been introduced as a procedure that can be performed without traditional open surgery. The procedure is based on the simple and effective principle of using a gas bubble inside the eye to return the detached retina to its normal position.

Being a minimally invasive procedure that can be performed on an outpatient basis, it has become a convenient option for carefully selected patients, offering faster recovery and lower risks compared to other surgical options such as silicone girdle retinopexy or vitrectomy.

What is pneumatic retinopexy?

Pneumatic retinopexy is a medical procedure used to treat some cases of retinal detachment, in which an ophthalmologist injects an expandable gas bubble into the eye. This bubble exerts pressure from the inside on the area of the tear or detachment, helping to return the retina to the back wall of the eye. The retina is then permanently stabilized using topical freezing or a laser to close the tear and prevent fluid leakage.

This procedure is less invasive than surgery, does not require large incisions, is often performed under local anesthesia, and relies heavily on the patient’s adherence to the prescribed head position to ensure successful treatment.

When is it advisable to perform pneumatic retinopexy?

Pneumatic retinopexy is recommended in the following cases:

The patient is able to maintain the required head position after the procedure for five to eight days
One or several small retinal tears that do not exceed hour one on the clock
Localization of tears in the upper part of the retina (the upper two-thirds of the fundus)
No retinal tears in the lower part of the retina
No history of glaucoma
Retinal detachment must be recent and uncomplicated
No advanced retinal fibrosis (PVR grade B or higher)
The clarity of the eye’s media allows the tear to be seen and processed accurately
The patient has a general state of health and the cognitive and physical ability to adhere to post-procedure instructions

How to Perform Pneumatic Retinopexy

The success of the procedure depends on good preparation, proper gas selection, correct execution, and patient adherence to instructions after the procedure.

Preparation before pneumatic retinopexy

Preparation begins with a careful examination of the fundus after pupil dilation to pinpoint the exact location of the retinal tear. The patient may be asked to stop eating for a short period of time before the procedure, review the medications used, and inform the doctor of any previous eye conditions. An escort is often recommended to return home after the procedure is completed.

Steps of the Pneumatic Retinopexy Process

The ophthalmologist anesthetizes the eye locally with drops or injections around the eye and does not require general anesthesia in most cases, which reduces risks and speeds recovery. The ophthalmologist then re-examines the retina to confirm the location of the tear. Next, the tear is stabilized using a laser or local freezing, and then a gas bubble is injected into the eye in a precisely measured amount. The gas bubble pressurizes the area of detachment, and the patient is given clear instructions on proper head positioning to ensure successful fixation.

Pneumatic retinopexy is a short procedure, usually taking between 20 and 30 minutes, and the patient can leave the clinic the same day without the need for a hospital stay.

Instructions after pneumatic retinopexy

Adhering to the instructions after pneumatic retinopexy plays a key role in the success of the procedure and in preventing a recurrence of the detachment. The patient is required to adhere to the exact head position prescribed by the doctor for several days, so that the gas bubble remains pressed against the retinal tear site. Use the prescribed drops or ointments regularly and avoid rubbing the eye or exposing it to water for the first few days. It is also advisable to refrain from air travel or climbing to heights until the gas bubble has completely disappeared, and to keep follow-up appointments and inform the doctor immediately in case of severe pain, sudden decrease in vision, or increased redness around the eye.

Recovery time after pneumatic retinopexy

The recovery time after pneumatic retinopexy varies from patient to patient, depending on the degree of retinal detachment, the type of gas used, and compliance with post-procedure instructions. In general, the retina begins to adhere within the first few days, while the gas bubble takes several weeks to gradually dissolve inside the eye. The patient may notice a gradual improvement in vision as the bubble disappears, but a full return of vision may take several weeks. A return to light daily activities is usually allowed within a short period of time, with continued medical follow-up until the retina is fully stabilized.

Success rate of pneumatic retinopexy

The success rate of pneumatic retinopexy depends mainly on the selection of the right case, the accuracy of the procedure, and the patient’s adherence to post-treatment instructions. In carefully selected cases, success rates on the first attempt range between 70% and 90%. If full adhesion of the retina is not achieved, the procedure can be repeated, or other treatment options, such as surgery, can be pursued, with good chances of restoring vision with timely intervention.

Advantages of pneumatic retinopexy

Pneumatic retinopexy has several advantages that make it a suitable treatment option in carefully selected cases. The procedure is usually performed on an outpatient basis without the need for an operating room or general anesthesia, reducing the discomfort and risks associated with surgery. It does not cause a change in refractive visual acuity and does not lead to double vision, with a faster visual and physical recovery compared to other surgical options. In addition, the risk of infection is low, the cost is lower, and traditional surgery can be reversed later if needed without compromising the final visual outcome.

Risks and possible complications

Although air retinopexy is a relatively safe procedure, it can be associated with some potential complications. Most notably, there is a temporary increase in intraocular pressure, which can be controlled with medication or by removing a small amount of eye fluid. In some cases, complete retinal adhesion may fail, necessitating a repeat procedure or moving on to surgery. Other complications include movement of the gas bubble or the formation of multiple small bubbles that may enter under the retina or into the anterior chamber of the eye, as well as the possibility of new retinal tears. Although rare, there is a risk of intraocular infection, which requires careful follow-up and strict adherence to post-procedure instructions.

The difference between pneumatic retinopexy and other treatment options

Treatment methods for retinal detachment vary depending on the severity of the condition, the location of the tear, and the patient’s characteristics. Choosing the right method is a medical decision based on a careful evaluation by the retina doctor. Below is a brief comparison of the main treatment options in terms of degree of intervention, speed of recovery, and indications for use.

Pneumatic Retinopexy

Pneumatic retinopexy is a minimally invasive treatment option that is performed on an outpatient basis without the need for incisions or general anesthesia. It is characterized by fast recovery and minimal discomfort after the procedure and is mainly used in uncomplicated retinal detachments with limited tears in the upper part of the retina. Its success depends largely on choosing the right case and the patient’s adherence to the head position after the procedure.

Silicone Retinal Stabilization with Silicone Strap

Silicone girdle retinopexy is a traditional surgical procedure that involves placing a girdle around the eyeball to support the retina from the outside. This option is used in more complex cases or when there are multiple or inferior tears. It requires an operating room and may require advanced general or local anesthesia with a relatively longer recovery period compared to pneumatic retinopexy, as well as the possibility of refractive changes or discomfort after surgery.

Vitrectomy

Vitrectomy is one of the most invasive procedures, removing the vitreous from inside the eye and directly treating the retina. It is usually performed in cases of complex retinal detachment, advanced retinal fibrosis, or intraocular hemorrhage. Although highly effective, this procedure requires a specialized operating room and equipment, a longer recovery period, and careful post-operative follow-up.

Can the pneumatic retinopexy be repeated?

When can it be replicated?

Pneumatic retinopexy can be repeated in some cases if full retinal adhesion is not achieved on the first attempt, provided that the selection criteria remain appropriate, such as limited rupture, favorable location, and no new complications. Repeat may be an appropriate option, especially when there is an inadequately treated tear or when the head position is not fully adhered to after the first procedure.

When is it advisable to move on to surgery?

Conventional surgery is recommended when pneumatic retinopexy fails to reattach, new retinal tears develop, retinal fibrosis develops, or the nature of the detachment is unsuitable for this procedure. In these cases, surgical options such as silicone girdle retinopexy or vitrectomy are more appropriate to stabilize the retina and preserve vision.

In conclusion, pneumatic retinopexy is an effective and safe treatment option for uncomplicated retinal detachments in the right patient. The procedure is less invasive than surgery, with a faster recovery time and lower risks, while maintaining the possibility of resorting to other surgical options if needed. The success of the treatment depends mainly on early diagnosis, accuracy of the procedure, and strict adherence to post-treatment instructions, especially head positioning and regular medical follow-up.

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