A macular hole is a small opening that develops in the macula, the central part of the retina responsible for detailed vision. It can cause blurred or distorted central vision and may make activities such as reading, recognising faces or seeing fine details more difficult.
*AI-generated image - for illustration only. Clinical accuracy is not guaranteed.
For many full-thickness macular holes, the main surgical treatment is vitrectomy. During the procedure, the surgeon removes the vitreous gel that is pulling on the macula and may peel a very thin membrane from the retinal surface. A temporary gas bubble is then often placed inside the eye to support the macula while the hole heals.
The surgery is intended to close the macular hole and create the conditions needed for the central retina to recover. However, the hole closing does not necessarily mean that vision returns immediately—or completely. The size and duration of the hole and the condition of the retinal tissue before surgery all influence visual recovery.
You can learn more about vitrectomy and its broader applications on the Vitrectomy page.
Why Is Vitrectomy Used for a Macular Hole?
The vitreous is a clear gel that fills the inside of the eye. As we age, it normally changes and gradually separates from the retina. In some people, however, the vitreous remains attached to the macula and continues to pull on it.
This traction can contribute to the development or enlargement of a macular hole. Vitrectomy removes the vitreous and releases this traction. This gives the macula an opportunity to flatten and heal, while the additional steps performed during surgery help create conditions that encourage the hole to close.
*AI-generated image - for illustration only. Clinical accuracy is not guaranteed.
Does Every Macular Hole Need Surgery?
No. The decision depends on the type of hole, its size, duration and effect on vision. Some very small holes may close spontaneously, particularly in certain early-stage situations. Observation may therefore be considered in selected cases.
For a persistent full-thickness macular hole that is affecting central vision, vitrectomy is commonly considered because spontaneous closure becomes less likely as the condition persists.
Traumatic macular holes can behave differently. Some may close without surgery, so observation for a period may sometimes be considered before proceeding to vitrectomy.
What Happens During Vitrectomy for a Macular Hole?
The exact technique varies according to the characteristics of the hole and the surgeon's approach, but the procedure generally involves several key steps.
- Small openings are made in the eye: Tiny surgical instruments are introduced through the white part of the eye.
- The vitreous is removed: The gel inside the eye is carefully removed to release traction on the macula.
- The internal limiting membrane may be peeled: A very thin membrane around the macula may be removed to reduce traction and help the hole close.
- A gas bubble is placed inside the eye: The bubble provides temporary support against the macula while healing takes place.
- The eye is monitored during recovery: Follow-up examinations assess closure of the hole and the health of the retina.
Step 1: Removing the Vitreous
The first major objective is to remove the vitreous gel that is contributing to traction around the macula. The surgeon uses a specialised cutting and aspiration instrument to remove the vitreous through very small openings.
If the vitreous has not already separated naturally from the retina, the surgeon may carefully induce this separation as part of the procedure. Releasing the traction is important because persistent pulling on the macula can interfere with closure.
Step 2: Peeling the Internal Limiting Membrane
In many macular hole surgeries, the surgeon also peels the internal limiting membrane (ILM), an extremely thin layer on the surface of the retina.
The membrane can be difficult to see with the naked eye, so a special dye may be used to make it more visible during surgery. The surgeon then carefully lifts and removes a small area of the membrane around the macular hole.
The purpose of ILM peeling is to relieve residual traction and improve the conditions for the edges of the macular hole to come together. It is widely used in modern macular hole surgery, although the exact technique may vary depending on the size and characteristics of the hole.
Step 3: Placing a Gas Bubble
After the vitreous has been removed and the macular area treated, a temporary gas bubble is commonly placed inside the eye.
The bubble acts as an internal support over the macula. Its position allows it to press gently against the area of the hole while the retinal tissue heals. The gas is gradually absorbed by the body and is eventually replaced by the eye's natural fluid.
Different gases can be used, and they remain in the eye for different lengths of time. Your surgeon will explain which gas has been used and how long it is expected to remain.
Why Might You Need to Keep Your Face Down After Surgery?
Some patients are asked to maintain a face-down or another specific head position after macular hole surgery. The purpose is to help keep the gas bubble positioned against the macular hole during the early healing period.
*AI-generated image - for illustration only. Clinical accuracy is not guaranteed.
However, positioning recommendations are not identical for every patient. They can depend on the size and characteristics of the hole, the surgical technique and the type of gas used.
Some studies have found similar closure rates with and without prolonged positioning, particularly for smaller holes. For larger holes, some evidence suggests that positioning may still provide an advantage.
For this reason, the patient's own surgeon should determine the positioning schedule rather than applying a single rule to every macular hole.
How Long Does Recovery Take After Macular Hole Surgery?
Recovery takes place gradually rather than over a few days. The gas bubble may remain in the eye for several weeks depending on the type used. During this period, vision can remain blurred and may improve progressively as the bubble becomes smaller.
The macular hole itself can continue to heal after it has anatomically closed. Visual improvement may therefore continue for several months. The overall recovery timeline depends on the size and duration of the hole, the condition of the retina and how the eye responds to surgery.
Does Closing the Macular Hole Mean Vision Will Return to Normal?
Not necessarily. Anatomical closure and visual recovery are related but different outcomes. A successful operation can close the hole, but the retinal cells around the macula may have already been affected by the hole.
The longer a macular hole has been present and the larger it is, the more the potential for visual recovery can be affected. This is why surgery aims not only to close the hole but also to preserve or improve as much central vision as possible.
What Activities Should Be Avoided During Recovery?
Activity restrictions vary depending on the surgery and the surgeon's instructions. During the early recovery period, you may need to avoid strenuous activity, heavy lifting or activities that could put pressure on or injure the eye.
If a gas bubble is present, air travel and significant altitude changes must be avoided until the bubble has completely disappeared. Driving should also wait until vision has recovered sufficiently and your ophthalmologist confirms that it is safe.
What Factors Affect Macular Hole Surgery Recovery?
Recovery and final vision depend on several factors, including:
- Size of the macular hole: Larger holes can be more challenging to close and may have a different visual prognosis.
- Duration: A hole that has been present for a long time may have caused more structural damage to the macula.
- Condition of the retinal tissue: The health of the surrounding photoreceptor and retinal layers influences visual recovery.
- Underlying eye conditions: Other retinal or eye diseases can affect the final result.
- Surgical technique: The approach may be modified according to the characteristics of the hole.
- Postoperative care: Following positioning, medication and follow-up instructions supports the healing process.
What If the Macular Hole Does Not Close?
Most macular holes treated with modern vitrectomy techniques close successfully, but closure is not guaranteed. If the hole remains open after surgery, the ophthalmologist may assess its size, appearance and the reason it did not close.
In selected cases, additional treatment may be considered. Larger or long-standing holes can be more difficult to treat and may require modified surgical techniques.
Can a Macular Hole Come Back After Surgery?
Recurrence or reopening is possible, although it is uncommon. A follow-up examination and OCT imaging can help determine whether the macula has remained closed and how the retinal layers are recovering.
Any new or worsening distortion, blurred central vision or other visual changes after initial improvement should be discussed with an ophthalmologist.
The Bottom Line
Vitrectomy is the main surgical approach used for many persistent full-thickness macular holes. By removing the vitreous traction and, in many cases, peeling the internal limiting membrane, the procedure creates conditions that allow the macular hole to close.
A temporary gas bubble is often used to support the macula while healing takes place. This can make vision blurry for several weeks and may require specific positioning. Air travel and significant altitude changes must be avoided while an expansile gas bubble remains in the eye.
Macular hole recovery is gradual. Even when the hole closes successfully, visual improvement can continue for months, and the final result depends heavily on the size and duration of the hole and the condition of the macula before surgery.
The goal of treatment is therefore not simply to close the hole, but to give the macula the best possible opportunity to heal while protecting the remaining central vision.
