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Vitrectomy Surgery: What Patients Need to Know
Conditions That Vitrectomy Can Treat
Vitrectomy is a versatile procedure that addresses a range of serious retinal and vitreous conditions. Our retina specialists carefully evaluate each patient to determine whether surgery is the right course of action, or whether another approach should come first.
A retina specialist may recommend vitrectomy for several different conditions that affect the retina or vitreous. Some of the most frequent reasons include the following.
- Diabetic retinopathy with bleeding into the vitreous (called vitreous hemorrhage) or scar tissue pulling on the retina
- Retinal detachment, where the retina separates from the back wall of the eye
- Epiretinal membrane, also called macular pucker, which is a thin layer of scar tissue growing on the retina surface
- Macular hole, a small break in the center of the retina
- Vitreomacular traction, where the vitreous pulls abnormally on the macula (the central part of the retina responsible for sharp vision)
- Severe infection inside the eye (endophthalmitis)
- Removal of a foreign object from inside the eye following trauma
Diabetic retinopathy is one of the most common reasons patients need vitrectomy. In advanced diabetic eye disease, abnormal blood vessels can bleed into the vitreous, clouding or blocking vision. Scar tissue can also form and pull on the retina, threatening the structure of the eye.
Vitrectomy removes the blood and scar tissue and gives the retina specialist direct access to treat the damaged retina. Importantly, earlier detection and improved medical treatments, including anti-VEGF injections, have helped reduce the need for vitrectomy among people with diabetes over time.
Not every retinal condition requires immediate surgery. A retina specialist may first recommend non-surgical treatments such as anti-VEGF injections or laser therapy, depending on the diagnosis. For some patients with vitreomacular traction, an injectable medication called ocriplasmin may help release the vitreous from the macula without the need for surgery. A retina specialist can determine whether this or another approach is appropriate based on the specific details of each case.
Symptoms That May Lead to Vitrectomy
Many of the conditions treated with vitrectomy share similar warning signs. Knowing what to look for can help you act quickly and protect your vision before serious damage occurs.
Symptoms that may indicate a serious retinal problem requiring urgent evaluation include the following.
- A sudden increase in floaters (spots, strings, or cobwebs drifting across your vision)
- Flashes of light in one eye
- A dark shadow or curtain moving across your field of vision
- Sudden blurring or loss of vision in one eye
If you experience any of these symptoms, contact a retina specialist or go to the emergency room right away. These can be signs of retinal detachment or vitreous hemorrhage, both of which may require urgent surgical treatment.
Vitrectomy is generally recommended when a condition is causing or threatening vision loss, is unlikely to resolve on its own, and the expected benefits of surgery outweigh the risks. Most vitrectomy procedures also include at least one additional step, such as laser treatment, membrane removal, or gas bubble placement, to fully address the underlying problem.
Diagnosis and Pre-Surgical Planning
Before recommending vitrectomy, our retina specialists perform a thorough evaluation using both clinical examination and advanced imaging technology. This process ensures that surgery is truly necessary and that it is planned with precision for the best possible outcome.
A retina specialist begins with a dilated eye exam, during which drops are placed in your eye to widen the pupil. This allows the specialist to use specialized lenses and lights to carefully examine the retina and vitreous. The exam helps identify problems such as tears, detachments, bleeding, or scar tissue.
Advanced imaging is essential for surgical planning. Optical coherence tomography (OCT) uses light waves to create detailed cross-sectional images of the retina, revealing conditions such as epiretinal membranes, macular holes, and retinal swelling. OCT angiography can also map blood flow within the retina without the need for dye. When blood in the vitreous prevents a clear view, B-scan ultrasound imaging provides a picture of retinal structures through the obstruction. We also use fluorescein angiography and wide-field imaging when additional detail is needed.
Before scheduling vitrectomy, a retina specialist reviews your overall eye health and medical history. This includes assessing the health of your lens, because vitrectomy is known to accelerate cataract formation in some patients. In certain situations, the specialist may recommend combining vitrectomy with cataract removal in a single session to avoid a separate procedure later. Blood sugar control, blood pressure, and any blood-thinning medications are also reviewed, as these factors can affect surgical outcomes and healing.
The Vitrectomy Procedure
Vitrectomy is typically performed as an outpatient procedure, meaning most patients go home the same day. Our retina specialists walk each patient through exactly what to expect so that nothing feels unexpected on the day of surgery.
The surgery usually takes between 30 minutes and two hours, depending on the complexity of the condition being treated. Most procedures are performed under local anesthesia, which numbs the eye and surrounding area. Sedation is also provided to help you remain comfortable and relaxed throughout.
The retina specialist makes three tiny openings through the pars plana. One allows a fiberoptic light source to illuminate the inside of the eye. The second connects to an infusion line that keeps the eye properly inflated with fluid throughout the procedure. The third opening is used for the vitrector and other surgical instruments. Through these small ports, the retina specialist removes the vitreous and performs any additional procedures needed.
Depending on the diagnosis, the retina specialist may complete several other procedures during the same surgery. These can include the following.
- Retinal laser photocoagulation (focal laser, panretinal photocoagulation, or endolaser) to seal retinal tears or treat abnormal blood vessel growth
- Membrane peeling to remove scar tissue from the retina surface
- Placement of a gas bubble or silicone oil to hold the retina flat while it heals
- Cryopexy (a freezing treatment) to seal retinal breaks
- Drainage of fluid from beneath a detached retina
When a gas bubble is placed in the eye, it acts as an internal support that holds the retina against the back wall of the eye. If your retina specialist uses a gas bubble, you may need to maintain a specific head position for several days or weeks after surgery. This face-down or angled positioning keeps the bubble pressing on the correct area of the retina while it heals.
While a gas bubble is present, you cannot fly in an airplane or travel to high altitudes. Changes in air pressure can cause the bubble to expand, which may dangerously raise the pressure inside the eye. Your retina specialist will let you know when it is safe to travel, typically after the gas has been fully absorbed.
Recovery After Vitrectomy
Recovery from vitrectomy varies from person to person, depending on the complexity of the surgery and the condition being treated. Understanding what is normal during healing can help you manage expectations and recognize signs that need attention.
After surgery, your eye will likely be patched for the first day. Some discomfort, redness, and swelling are normal. Most patients describe a mild aching or scratchy sensation rather than sharp pain. Your retina specialist will prescribe eye drops, typically including an antibiotic to prevent infection and a steroid to reduce inflammation. These drops are used for several weeks as directed.
Vision is often blurry in the days following vitrectomy. If a gas bubble was placed, your vision may be very limited until the bubble shrinks. As the gas is gradually absorbed, you may notice a line or arc in your vision where the bubble meets the natural fluid your eye is producing. This is a normal and temporary part of healing. Depending on the type of gas used, the bubble may take anywhere from two to eight weeks to fully absorb.
Most patients can return to light daily activities within a few days after surgery. However, heavy lifting, bending at the waist, and strenuous exercise should be avoided for several weeks. Your retina specialist will provide specific activity guidelines based on the type of surgery performed and whether a gas bubble or silicone oil was used.
Follow-up visits are usually scheduled within the first week after surgery and continue at regular intervals for several months. Full visual recovery can take weeks to months, and the final outcome depends on the underlying condition that required surgery. A patient treated for a simple vitreous hemorrhage may recover excellent vision, while someone with long-standing retinal detachment or advanced diabetic eye disease may experience more limited improvement.
One of the most common long-term effects of vitrectomy is the accelerated development of a cataract, which is a clouding of the natural lens of the eye. The surgery increases oxygen exposure to the lens, which speeds up this process. If a cataract does develop and begins to affect your vision, it can be treated with a standard cataract surgery procedure. If you already have a significant cataract at the time of vitrectomy, your retina specialist may recommend removing it during the same surgical session to avoid a second procedure later.
Risks and Possible Complications
Like all surgical procedures, vitrectomy carries some risks. Serious complications are uncommon, but it is important to understand them before making a decision about surgery. Our retina specialists discuss the full picture of benefits and risks with every patient.
Possible risks associated with vitrectomy include the following.
- Infection inside the eye (endophthalmitis)
- Bleeding during or after surgery
- High or low pressure inside the eye
- A new retinal detachment caused by the surgery
- Cataract formation or worsening of an existing cataract
- Changes in your eyeglass prescription (refractive error)
- Problems with eye movement after surgery
- In rare cases, significant vision loss
Advances in small-gauge vitrectomy instruments have significantly reduced complication rates compared to older techniques. Sutureless incisions cause less inflammation and heal more quickly. In some cases, the retina specialist may choose to close incision sites with a fine suture at the end of surgery to further reduce wound-related risks. This decision is made based on the individual circumstances of each patient and the complexity of the procedure performed.
Long-Term Eye Health After Vitrectomy
Recovery from vitrectomy does not end when you leave the office after surgery. Protecting your vision over the long term requires ongoing care, follow-up monitoring, and attention to your overall health, particularly if you have a systemic condition like diabetes.
During recovery, it is important to be patient with your vision. Floaters, blurriness, and light sensitivity are common in the weeks following surgery. If a gas bubble is present, you may see its edge as a dark arc or line that gradually shifts lower in your visual field as it shrinks. These temporary changes are a normal part of healing and will resolve as the eye stabilizes.
If silicone oil was used instead of a gas bubble, your vision may remain blurry until the oil is surgically removed in a later procedure. Silicone oil provides longer-lasting support for the retina and is typically reserved for more complex cases such as severe or complicated retinal detachments.
After recovery, regular visits with a retina specialist are essential for monitoring the health of your retina and checking for complications such as cataract progression or recurrence of the original condition. Some patients may need additional treatments over time, including anti-VEGF injections such as Eylea (aflibercept), Avastin (bevacizumab), or Vabysmo (faricimab), depending on the underlying disease.
For patients with diabetes, maintaining good control of blood sugar, blood pressure, and cholesterol supports retinal health after vitrectomy. Wearing sunglasses outdoors and following all post-operative instructions from your retina specialist also contribute to the best possible long-term outcome.
Frequently Asked Questions
These answers address common questions that go beyond the information covered above, with a focus on helping you make practical decisions about your care.
The timeline for visual recovery depends heavily on the type of surgery performed and whether a gas bubble or silicone oil was placed in the eye. If a gas bubble was used, meaningful visual improvement may not begin until the bubble has been mostly absorbed, which can take two to eight weeks depending on the gas type used. In cases involving silicone oil, useful vision may not return until the oil is removed in a follow-up procedure. Your retina specialist can give you a realistic and personalized timeline based on your specific diagnosis and surgical details.
No. Positioning requirements depend on the specific procedure and the location of the retinal problem. Face-down or angled head positioning is most commonly required when a gas bubble is used to treat a macular hole or certain types of retinal detachment. If positioning is needed, the duration typically ranges from several days to about two weeks. Some vitrectomy procedures, such as those for vitreous hemorrhage or epiretinal membrane removal, may not require any specific positioning at all. Your retina specialist will explain exactly what is required for your case before surgery so you can prepare accordingly.
Yes, and this is not uncommon. A second vitrectomy may be needed if the original condition recurs, if a new problem develops, or if silicone oil placed during the first surgery needs to be removed. For example, retinal detachments can sometimes reoccur even after a successful initial repair. Each situation is evaluated on its own merits, and the decision to proceed with a repeat vitrectomy is made only after carefully weighing the potential benefits and risks for that individual patient.
Vitrectomy treats the effects of a disease on the eye but does not eliminate the disease itself. Removing blood from the vitreous in diabetic retinopathy, for instance, clears the vision, but diabetes continues to affect the blood vessels of the retina over time. Similarly, sealing a retinal detachment restores retinal position, but patients with conditions such as high myopia (severe nearsightedness) remain at elevated risk for future tears or detachments. Ongoing medical management, regular monitoring, and lifestyle measures are usually necessary after vitrectomy to protect your vision over the long term.
Most post-operative discomfort is mild and manageable with prescribed medications. However, certain symptoms require immediate attention and should not be waited out. Contact your retina specialist or go to an emergency room right away if you experience severe pain not controlled by your prescribed medication, a sudden significant increase in floaters, new flashes of light, a shadow or curtain appearing in your vision, or a sudden drop in vision. These symptoms could signal a serious complication such as infection or a new retinal detachment, both of which require prompt treatment to prevent permanent vision loss.
Vitrectomy can sometimes cause a shift in your eyeglass prescription, particularly if the surgery involved filling the eye with gas or silicone oil, or if the lens was affected during the procedure. Your prescription may not be stable until the eye has fully healed, which can take several months. We generally recommend waiting until your retina specialist confirms that the eye is stable before updating your glasses. If a cataract is removed during or after vitrectomy, an intraocular lens implant will be placed, which may also affect your final prescription.
Schedule Your Evaluation at Atlantic Retina Center
If you have been referred for vitrectomy or have symptoms that concern you, our team at Atlantic Retina Center is here to help. We exclusively treat the retina, vitreous, and macula, and our fellowship-trained retina specialists bring deep experience in the full range of vitreoretinal procedures to patients across the Eastern Shore of Maryland and central and southern Delaware. We are committed to giving you expert, personalized care at every step, from your first evaluation through long-term follow-up.