Eyelid Weights: The Small Implant That Helps a Paralysed Eyelid Blink Again
Eyelid Weight Surgery at a Glance
If a facial palsy has left one eye unable to close, an eyelid weight is a small, coin-shaped implant tucked into the upper lid that lets gravity pull the lid down so the eye can close again. An upper-eyelid weight uses gravity to help a paralysed lid close, restoring passive eyelid closure that the weakened closing muscle can no longer produce.1 It is a small, well-established operation, usually done as a day case, and it is designed to protect the surface of the eye while your facial nerve has a chance to recover.
The goal is not cosmetic first. It is to keep the clear front window of the eye (the cornea) covered and moist. When the eye cannot close, the exposed cornea can dry out and develop exposure keratopathy, which if left untreated can progress to corneal thinning, ulceration and vision loss.2 An eyelid weight is one of the most reliable ways to prevent that.
If your eye will not fully close, the first steps are heavy lubrication and protection while you are assessed. Ask your eye doctor or facial-palsy team whether an eyelid weight is right for you. The weight is straightforward to remove or exchange if facial function later returns, which is one reason it is used even when recovery is still possible.1 This page explains how it works, who it suits, what recovery is like, and the warning signs that mean you should call your surgeon promptly.
What an Eyelid Weight Is and Why People Need One
Your facial nerve (the seventh cranial nerve) drives the muscle that squeezes the eye shut, the orbicularis oculi. When that nerve is weak or paralysed, the lid cannot close, a condition called lagophthalmos (incomplete eyelid closure). Facial nerve palsy weakens the muscle that closes the eye and leads to incomplete closure and corneal exposure.2 The eye may water, feel gritty and burn, and the cornea is left unprotected during blinks and sleep.
Many things can injure the facial nerve, and the cause shapes how likely recovery is. Bell's palsy is the most common cause, accounting for about 51 of every 100 cases of facial nerve palsy and affecting roughly 23 people in every 100,000 each year, with other causes including injury, surgery near the nerve, tumours, stroke and infections such as Lyme disease and shingles; most people recover well, with good facial function returning in about 70 to 80 of every 100.2 That matters here because the weight can be a temporary bridge during recovery or a longer-term solution when the nerve does not recover.
The implant itself is small and simple. It is a thin, curved weight, about the size of a small fingernail, made of gold or platinum, that sits between the layers of the upper eyelid close to the lash line, and because gold and platinum are not magnetic the implant is safe during MRI scans.3
How an Eyelid Weight Closes the Eye
A healthy blink is active: a muscle pulls the lid down. After facial palsy, that muscle is out of action, but the muscle that lifts the lid (the levator) still works. The weight tips this balance. When you relax the lifting muscle, the added weight lets gravity carry the upper lid down so the eye can close, which is why the implant helps most when you are upright or lying back to sleep.1 It does not create a fast, snapping blink, but it restores the slow, protective closure the eye needs.
Placement and sizing are the heart of a good result. The weight is set in a pocket above the tarsal plate, centred over the medial limbus, and secured with fine sutures so it stays put, and before surgery your surgeon tapes trial weights to your lid in small steps, often about 0.2 gram at a time, to find the lightest weight that closes the eye without leaving the lid too droopy, tested both sitting up and lying down.1 Too light and the eye still will not close; too heavy and the lid sits low when open.
Both metals work, and your surgeon will weigh cost against profile with you. Platinum is denser than gold, so the same weight can be made in a thinner implant that is less visible through the eyelid skin and tends to migrate or extrude less often, while gold has a long track record and is often less expensive.3
| Feature | Gold | Platinum |
|---|---|---|
| Profile in the lid | Thicker for a given weight | Thinner, less visible |
| Allergy risk | Occasional | Exceptionally rare |
| Cost and availability | Usually lower, widely used | Often higher |
Who Is a Good Candidate for an Eyelid Weight
An eyelid weight suits people whose eye will not fully close because of facial nerve weakness, once simpler measures are not enough on their own. Weights are used both as a temporary measure while a facial palsy is expected to recover and as a long-term solution when the nerve is unlikely to recover, because the implant can be removed if function returns.1 Good candidates usually still have a working lid-lifting muscle and a lid that can be gently closed by hand.
Before surgery, most people start with eye protection, and for milder or short-lived palsy this may be all that is needed. First-line care includes artificial tears by day, a thicker lubricating ointment at bedtime, taping the lid closed at night, and moisture-retaining goggles or chambers, with heavier lubrication for more severe exposure.2 A weight is considered when the eye stays exposed, symptoms persist, or the cornea shows damage despite this care.
The operation can be adapted across ages. Eyelid weights can be used in children, though this usually needs a specialist team and general anaesthetic rather than the local anaesthetic typical for adults.3 Your surgeon will also factor in the cause of your palsy, the likelihood of recovery, and how your eye surface is coping now.
What Happens at Your Consultation and Assessment
The consultation focuses on how much the eye is at risk and how well you can protect it. Your team will measure how far the lid falls short of closing, check the tear film and the health of the cornea, and ask how your eye feels through the day and overnight. This exam decides how urgently you need protection and whether a weight is the right next step, alongside the lubrication measures above.2
The most useful part of the visit is the weight trial. Your surgeon tapes candidate weights onto the lid and watches the eye close, adjusting up or down in small increments to pick the lightest weight that gives full closure without a heavy-looking lid.1 You will look at the lid sitting up and lying back, because closure while asleep is exactly when the cornea is most at risk.
Use the consultation to agree the plan: gold or platinum, whether this is a bridge during expected recovery or a longer-term fix, and what the lid may look like when open. Ask what would make you a candidate for a different or additional procedure, and what the plan is if your palsy recovers and the weight is no longer needed.3
Who Should Wait or Consider Another Option
Some situations call for timing changes or a different approach. An active infection of the eyelid or eye surface is usually treated before any implant is placed, and if very early Bell's palsy is expected to recover within weeks, your team may protect the eye with lubrication and taping first rather than operate straight away.2 A weight also depends on a working lifting muscle and a movable lid, so a scarred or tethered lid may need other surgery instead.
Previous treatment can change the odds. Eyelids that have had radiation are at particular risk of the weight working its way out through the skin (extrusion), so this history should be discussed openly when planning surgery.1 None of these are automatic bars to treatment, but they change the conversation about risk, timing and which option fits you.
A weight is one tool among several. If the lower lid is also sagging, or the lid cannot be closed by hand, your surgeon may combine the weight with a lower-lid tightening or recommend a different reconstruction. The right choice depends on which part of the closing mechanism has failed, which is why the assessment above matters so much.2
Recovery After Eyelid Weight Surgery
The procedure itself is short and usually well tolerated. In adults it is typically a day-case operation under local anaesthetic, lasting about 30 to 60 minutes, with the incision hidden in the natural crease of the upper lid.3 You go home the same day and keep using your eye drops or ointment while the lid heals.
Some swelling and bruising are expected and settle over the first couple of weeks. Most swelling and bruising resolve within one to two weeks, many people return to light activities within a few days and to work within one to two weeks, and a follow-up visit is usually arranged around two to six weeks after surgery.3
Skin sutures are commonly removed about five days after surgery.1
After healing, the implant is meant to fade into the background of daily life. Most people stop noticing the weight once healing is complete, and it can stay in place for years, while remaining removable or exchangeable if the palsy recovers or the fit needs adjusting.3 Keep protecting the eye as advised until your team confirms the surface is stable.
Risks, Complications, and Long-Term Outlook
For the right candidate, weight loading is a dependable way to get the eye closing again. In one cohort of 30 patients with unresolved facial palsy, upper-eyelid weight loading corrected incomplete closure in every patient.4 The outlook is a population average and not a personal guarantee, but most people gain reliable closure and a more comfortable, better-protected eye.
Complications are usually correctable rather than sight-threatening, and technique reduces them. The recognised problems are the weight showing as a ridge or bulge, moving out of position (migration), gradually working out through the skin (extrusion), a droopy-looking lid, temporary blurring from pressure on the eye, allergy (mainly with gold), and, uncommonly, infection.3 If the eye still does not fully close, the weight can be exchanged for a heavier one.
Where the weight sits strongly affects how often problems occur. In the 30-patient cohort, a low weight near the lashes led to complications in every patient, whereas a higher supratarsal placement or a platinum weight had far fewer.4
A separate retrospective cohort of 30 eyelids found the repeat-surgery rate over two years was about 13 of every 100 for a higher supratarsal gold weight versus about 53 of every 100 for the traditional placement near the lashes.5 This is reassuring: most complications are manageable, and modern placement lowers the chance of needing another operation.
Warning Signs and When to Call Your Doctor
Most healing is uneventful, but a few signs mean the eye needs to be seen quickly rather than waited out. Seek medical help right away if you have severe or worsening pain, decreased vision, or progressive swelling after eyelid surgery, because these can signal bleeding behind the eye (retrobulbar haemorrhage) that needs urgent treatment, and contact your surgeon promptly if you notice increasing inflammation around the eye, which can be a sign of infection.6
Because the underlying problem is exposure, keep an eye on how the surface feels. Persistent pain, marked light sensitivity, a red eye or blurred vision can indicate the cornea is drying or breaking down, which needs prompt review because untreated exposure can lead to ulceration.2 Reaching your team early usually means simple treatment and a good outcome.
Ongoing care is shared between an eye surgeon and your facial-palsy team. Keep your scheduled follow-up so the fit of the weight and the health of your cornea can be checked, and contact the team sooner if the eye stops closing, the weight becomes visibly displaced, or lubrication no longer keeps you comfortable.3 An oculoplastic surgeon (an eye surgeon who specialises in the eyelids) usually leads this care.
Common Questions About Eyelid Weights
Not exactly. The weight restores slow, protective closure rather than a fast, natural blink. When you relax the muscle that lifts your lid, gravity pulls the weighted lid down so the eye can close and the cornea stays covered and moist.1 Most people find this is enough to protect the eye and ease the dryness and grittiness of an eye that would not close, even though the blink itself is gentler than before.
In adults the operation is usually done under local anaesthetic, so the lid is numb while you stay awake, and it typically takes about 30 to 60 minutes as a day case, while children are usually treated by a specialist team under general anaesthetic instead.3 Most people describe pressure rather than pain during surgery and manage afterwards with simple pain relief, and some swelling and bruising are normal for the first week or two.
Yes, and this reversibility is a real advantage. The implant can be removed or exchanged later, which is why weights are used even when a facial palsy may still recover.1 If your facial nerve regains strength and your eye starts closing on its own, your surgeon can take the weight out.
If the fit is not quite right, it can be swapped for a lighter or heavier one rather than abandoning the approach.3
Usually it is discreet, especially with a thinner metal. Platinum is denser than gold, so the same weight can be made in a thinner implant that is less visible through the skin, and the incision is hidden in the natural lid crease.3 In thin eyelids a faint ridge can sometimes be seen or felt, and if the contour bothers you, the weight can be repositioned or exchanged.
Placing the weight higher in the lid also helps keep it out of view.4
Yes. Gold and platinum are not magnetic, so eyelid weights are considered safe for MRI scanning.3 You should still tell the radiography team that you have an implant so they have a complete record, but the weight itself is not pulled or heated by the scanner the way some metal implants can be. This is a common and reasonable question, particularly if your facial palsy is being investigated with brain or head scans.
There is no fixed lifespan. A weight can remain in place for years without trouble once healing is complete, most people stop noticing it in daily life, and keeping your follow-up appointments lets your team confirm the weight and your cornea are both doing well.3 It stays only as long as you need it: if your palsy recovers it can be removed, and if the fit changes over time it can be adjusted.
More Questions, and What to Ask Your Doctor
Several options exist, and the right one depends on why your eye will not close. Lubricants, night-time taping and moisture chambers protect a mildly affected eye, while other surgical choices include tightening the lower lid or, in some cases, a temporary stitching-together of the lids (tarsorrhaphy).2 A weight is often preferred over sewing the lids partly closed because it keeps a more natural appearance and a wider field of view.
Timing depends on your prognosis. If a Bell's palsy is expected to recover within weeks, your team may protect the eye with lubrication and taping first and reassess, whereas a palsy that is not recovering, or an eye showing corneal damage, prompts earlier surgery.2 The deciding factor is how well your cornea is coping, not the calendar, so keep any surface problems on your team's radar.
Both are fixable. If the weight is too light the eye will still not fully close, and if it is too heavy the lid can sit low or feel droopy when open, which is exactly why your surgeon trials several weights on the skin before surgery to find the lightest one that closes the eye.1
If the balance is off after surgery, the implant can be exchanged for a different weight rather than removed for good.3
No, and it is important to be clear about this. The weight treats one consequence of facial palsy, the eye that will not close, so it protects your sight and comfort, but it does not restore the nerve or the rest of the facial movement.2 Recovery of the nerve, where it happens, follows its own course, and other treatments address the smile and lower face. The weight simply keeps the eye safe in the meantime.
- Is my palsy likely to recover, and should the weight be a temporary bridge or a long-term solution?
- Would you use gold or platinum for me, and why?
- Where in the lid will you place the weight, and how will you choose the size?
- What are my main risks given my eye and my medical history?
- What warning signs after surgery should make me call you the same day?
- What is the plan if the weight is too light, too heavy, or becomes visible?
- University of Iowa Head and Neck Protocols (2023). Platinum-Gold Eyelid Weighting for Facial Paralysis.
- University of Iowa Department of Ophthalmology, EyeRounds.org (2015). Facial Nerve Palsy: Ocular Complications and Management (EyeRounds).
- Facial Palsy UK (patient information charity) (2024). Gold and Platinum Eyelid Weight Surgery.
- Peer-reviewed cohort study (PMC) (2022). The impact of implantation site on procedure success in patients with unresolved facial palsy treated with upper-eyelid gold weight loading.
- Peer-reviewed retrospective cohort (PMC) (2024). Implantation of a Newly Designed Supratarsal Gold Weight versus the Traditional Pretarsal Model for Long-standing Paralytic Lagophthalmos: A Retrospective Cohort Study.
- American Academy of Ophthalmology (aao.org) (2024). Upper Eyelid Blepharoplasty.