Blepharoplasty is one of the most common cosmetic procedures performed worldwide, and most people who have it recover without serious problems. But eyelid surgery operates in an unforgiving neighborhood: the thin, mobile tissues around the eye sit millimeters from structures responsible for vision, tear production, and eye movement. Complications range from predictable nuisances like bruising and swelling to rare outcomes that can permanently change how you see. Understanding what can go wrong, and how likely each scenario actually is, puts you in a much better position to weigh the decision and recognize warning signs early.
Swelling, Bruising, and Other Expected Aftereffects
Some things that look alarming after blepharoplasty are essentially guaranteed parts of healing, not true complications. Bruising around the eyelids, technically called ecchymosis, shows up in a large majority of patients. A systematic review of lower blepharoplasty studies found ecchymosis rates reported between 20% and 96% of cases, with swelling (edema) ranging anywhere from minimal to universal depending on the surgical technique and how it was measured.1PubMed Central. Safety and Complications in Lower Eyelid Blepharoplasty: A Systematic Review – Section: Results These aftereffects peak around the second or third day, and most resolve over one to three weeks. Cold compresses and keeping your head elevated help, but there is no shortcut through the bruised-raccoon phase.
Chemosis, a jelly-like swelling of the clear membrane covering the white of the eye, can look especially unsettling. It occurs when fluid accumulates under the conjunctiva and makes the eye surface appear bloated or gelatinous. The same review reported chemosis rates from 0% to nearly 85% across different studies, a wide spread driven largely by differences in surgical approach.2PubMed Central. Safety and Complications in Lower Eyelid Blepharoplasty: A Systematic Review – Section: Results A separate study comparing techniques found that transcutaneous blepharoplasty combined with lateral canthoplasty produced significantly more persistent chemosis than the transconjunctival approach.3PubMed Central. Persistent Conjunctival Chemosis after Lower Lid Blepharoplasty: A Comparison of Different Surgical Techniques – Section: Results Mild chemosis usually drains on its own within a few weeks. Persistent cases may need steroid drops or, rarely, surgical drainage.
Lower Lid Malposition
The complication that haunts lower blepharoplasty patients the most is ending up with an eyelid that sits too low. When the lower lid pulls away from the eyeball and turns outward, it is called ectropion. When the lid simply drops below its normal resting point without turning outward, that is lower lid retraction. Both can cause tearing, a visible strip of white below the iris (scleral show), irritation, and a distinctly “operated” look that defeats the cosmetic purpose of surgery.
The systematic review found ectropion reported in 16 studies, with rates ranging from 0% to about 11%. Lower lid retraction appeared in 9 studies with rates up to about 4%. The overall rate of some form of lower eyelid malposition ranged from 0% to 12%.4PubMed Central. Safety and Complications in Lower Eyelid Blepharoplasty: A Systematic Review – Section: Results The zero end of those ranges reflects high-volume surgeons using conservative techniques on well-selected patients. The higher end reflects older subciliary (external) approaches, aggressive skin or tissue removal, and inadequate support of the lid during healing.
Mild cases often improve as swelling resolves and the tissues settle. Persistent ectropion or retraction, however, may require revision surgery, sometimes involving cartilage grafts or canthal tightening to restore the lid’s position. Choosing a surgeon who routinely assesses lower lid laxity before operating and who uses lid-supporting maneuvers during surgery is your best protection against this outcome.
Hematoma and the Risk to Vision
Bleeding after blepharoplasty is not especially common, with hematoma and hemorrhage rates in the systematic review falling between 0% and about 2%.5PubMed Central. Safety and Complications in Lower Eyelid Blepharoplasty: A Systematic Review – Section: Results But the location of the bleeding matters enormously. A small hematoma in front of the orbital septum, the membrane that separates the eyelid from the deeper eye socket, causes bruising and discomfort but poses no threat to sight. A hematoma behind the septum, inside the orbit, is a genuine emergency.
Retrobulbar hematoma builds pressure inside the bony eye socket. The optic nerve, which has no room to retreat, gets compressed. Blood supply to the retina can be choked off. If the pressure is not relieved quickly, permanent blindness can result. The exact mechanism is not fully understood, but damage to deep orbital vessels during fat removal is one proposed cause. Bleeding from the orbicularis muscle or inadequate cauterization of fat pedicles may also contribute.6Archives of Aesthetic Plastic Surgery. Unilateral blindness due to retrobulbar hematoma after lower blepharoplasty – Section: DISCUSSION
The warning signs are a rapidly tightening feeling behind the eye, proptosis (the eye pushing forward), severe pain, and deteriorating vision. Treatment involves an emergency lateral canthotomy and cantholysis, where the surgeon cuts the corner tendon of the eyelid to decompress the orbit. In one reported case, this intervention brought a patient’s vision back from no light perception to 20/40, though permanent visual field loss remained.7Ophthalmic Plastic & Reconstructive Surgery. Retrobulbar Hemorrhage Nine Days after Cosmetic Blepharoplasty Resulting in Permanent Visual Loss That case is also notable because the hemorrhage occurred nine days after surgery, a reminder that the danger window extends well beyond the operating room. Any sudden onset of pain, swelling, or vision change in the days after blepharoplasty should be treated as urgent.
Double Vision After Lower Blepharoplasty
Double vision, or diplopia, after lower blepharoplasty is uncommon but well documented, and it happens because the muscles controlling eye movement sit right behind the tissue that surgeons are working on. The transconjunctival approach, where the incision is made on the inside of the eyelid, carries a particular risk of injuring the inferior oblique muscle, which controls upward and outward rotation of the eye. Direct damage to this muscle or to the nearby inferior rectus muscle can cause strabismus, where the eyes no longer align properly.8Kosin Medical Journal. Transient Inferior Oblique Muscle Palsy Following Transconjunctival Lower Lid Blepharoplasty – Section: Discussion
A review of published diplopia cases following lower blepharoplasty found the inferior oblique muscle was involved about 61% of the time, the inferior rectus in about 8%, and both muscles in 5%. In roughly a quarter of cases, the specific muscle involved was never identified.9PubMed. Diplopia following lower blepharoplasty Some of these injuries are transient and resolve as swelling subsides and the muscle heals. Others are permanent and require strabismus surgery to correct the misalignment. If you notice double vision in the days after lower blepharoplasty, it is important to report it early so that swelling-related causes can be distinguished from structural damage.
Dry Eye After Eyelid Surgery
Dry eye symptoms are among the most commonly underestimated blepharoplasty complications. The systematic review found postoperative dry eye reported in up to about a quarter of patients in some studies.10PubMed Central. Safety and Complications in Lower Eyelid Blepharoplasty: A Systematic Review – Section: Results The mechanisms are several. Upper blepharoplasty can alter the dynamics of blinking if too much skin is removed, leading to incomplete lid closure (lagophthalmos) and increased tear evaporation. Lower blepharoplasty can disrupt tear drainage or change how the lid distributes the tear film across the cornea.
There is also a subtler contributor. The meibomian glands embedded in the eyelid produce the oily layer that prevents tears from evaporating too quickly. Research on double-eyelid blepharoplasty found that meibomian gland function, meibum quality, and blink completeness all showed significant deterioration at one week and one month after surgery.11PubMed. The Impact of Full-Incision Double-Eyelid Blepharoplasty on Dry Eye: Association with Short-Term Meibomian Gland Dysfunction and Increased Incomplete Blinking For many patients these changes are temporary, but people who already have borderline dry eye or meibomian gland dysfunction before surgery are at higher risk of persistent symptoms. A thorough preoperative eye exam, including tear film assessment, helps identify who might need aggressive lubrication therapy after the procedure or who should reconsider surgery entirely.
Ptosis and the Drooping Upper Lid
You might go into upper blepharoplasty hoping to open up a heavy, droopy lid and come out of it with a lid that droops even more. Ptosis after blepharoplasty can happen through several pathways. Postoperative swelling and hematoma can temporarily weigh the lid down. More worryingly, the levator muscle complex, the system responsible for lifting the eyelid, can be injured during surgery. That injury might involve weakening of the muscle fibers, separation of the muscle from its attachment, or scarring between the septum and the levator that restricts movement.12PubMed. Ptosis after blepharoplasty
Temporary ptosis from edema usually resolves within weeks. Structural ptosis from levator damage may need a second procedure to repair or reattach the muscle. One practical tip: if you have any degree of pre-existing ptosis, even mild, it should be diagnosed and discussed before blepharoplasty. Removing skin from the upper lid can unmask ptosis that was previously compensated for by the brow, changing what the surgeon needs to address and what you should expect afterward.
Scarring, Wound Healing, and Milia
Eyelid skin is the thinnest skin on the body, and it generally heals with impressively fine scars. But things can go sideways. Wound dehiscence (the incision opening up), milia (tiny white cysts that form along the suture line), and hypertrophic scarring are all possible. An evidence-based review of scar optimization in upper blepharoplasty found that topical silicone-based creams showed consistent benefits in reducing hypertrophic scarring.13PubMed. From Incision to Healing: An Evidence-Based Review of Scar Optimization in Upper Blepharoplasty
Milia are more annoying than dangerous. They appear as tiny pearly bumps along the incision line, usually from buried suture material or occluded skin pores. A dermatologist can extract them easily. The scar itself typically hides in the natural eyelid crease for upper blepharoplasty and just below the lash line or inside the lid for lower blepharoplasty. Visible scarring becomes a bigger concern in patients with darker skin tones, those prone to keloids, or when incisions extend beyond the natural crease.
Infection
Infection after blepharoplasty is rare thanks to the rich blood supply of the eyelid area, which delivers immune cells efficiently. When it does occur, it can escalate dangerously. Orbital cellulitis, an infection that spreads into the tissues surrounding the eye, has been documented following blepharoplasty, with one early case report describing blindness resulting from the infection.14PubMed. Orbital cellulitis and blindness following a blepharoplasty A severe unilateral headache in the days after surgery may be an early warning sign.
More recently, a case of necrotizing cellulitis was reported in a 52-year-old woman just two days after bilateral lower blepharoplasty. The infection, caused by an antibiotic-resistant strain of Staphylococcus epidermidis, led to dangerously elevated eye pressure and required intravenous antibiotics, steroid treatment, and drainage surgery to control.15PubMed Central. Necrotising cellulitis occurring after cosmetic blepharoplasty: A case report Cases like these are genuinely exceptional, but they underscore why any progressive redness, warmth, increasing pain, or fever after surgery demands same-day medical evaluation rather than a wait-and-see approach.
The Oculocardiac Reflex During Surgery
This one is not a complication you deal with afterward; it happens on the operating table. Pulling or pressing on the eye muscles and surrounding tissue can trigger a reflex arc from the trigeminal nerve to the vagus nerve, causing the heart rate to drop. In a study of 100 blepharoplasty patients, this oculocardiac reflex occurred in 25% of cases. The patients most prone to it were younger women, anxious patients, those with a cardiac history, and cases where fat pad removal was aggressive or anesthesia was light.16PubMed. The oculocardiac reflex in blepharoplasty surgery
Most episodes are mild and self-limiting once the surgeon pauses the manipulation. Occasionally the bradycardia is severe enough to require atropine. In extreme instances, intraorbital hemorrhage during surgery has triggered arrhythmia and significant bradycardia requiring more aggressive cardiac management.17Biomedical Journal of Scientific & Technical Research. Cardiac Arrhythmia Due to Intraorbital Hematoma During Oculoplastic Surgery Under Local Anesthesia: A Case Report Continuous heart monitoring during surgery is standard practice precisely because of this reflex, and it is worth knowing about if you have an existing cardiac condition.
Over-Resection and the Sunken Eyelid
Removing too much fat or skin creates problems that are harder to fix than the original concern. In the upper lid, over-resection can produce a hollowed-out appearance where the lid looks gaunt and aged rather than rejuvenated. This sunken eyelid deformity is a recognized complication of upper blepharoplasty in Asian patients, where the nasal and central fat pads may be over-resected, retracted, or undergo atrophy after surgery.18PubMed. The Pendulum Movement of Orbital Fat and Retro-Orbicularis Oculi Fat: A New Strategy for Correction of Sunken Eyelid Deformity in Revision Upper Blepharoplasty for Asian Patients Correcting over-resection often requires fat repositioning or grafting, which makes the revision surgery more complex than the original procedure.
In the lower lid, excessive fat removal can create a hollow “tear trough” that paradoxically makes someone look more tired. Modern lower blepharoplasty techniques increasingly favor fat repositioning over fat removal for this reason, redistributing the fat pads to smooth out the transition between the lower lid and the cheek rather than simply debulking.
Reoperation Rates and Patient Satisfaction
The systematic review of lower blepharoplasty found reoperation rates ranging from 0% to 9% across studies.19PubMed Central. Safety and Complications in Lower Eyelid Blepharoplasty: A Systematic Review – Section: Results Reasons for going back include residual skin laxity, lid malposition, asymmetry, and persistent aesthetic concerns. One large practice reported dissatisfaction-related refunds in only about 0.2% of upper blepharoplasties and 0.2% of lower blepharoplasties. The specific complaints driving those refunds included perception of residual upper lid skin, lateral canthal webbing, prolonged cheek swelling, lower lid retraction, and asymmetric eye openings.20The American Journal of Cosmetic Surgery. The Role of Refunds in Managing the Unsatisfied Aesthetic Patient – Section: Results
A broader meta-analysis on satisfaction after aesthetic surgery found that revision surgery itself was strongly associated with lower satisfaction scores.21Journal of Plastic, Reconstructive & Aesthetic Surgery. Temporal satisfaction patterns in body image after aesthetic surgery: A systematic review and meta-analysis – Section: Results In other words, if you need a second procedure, you are less likely to end up happy with the overall experience even if the revision technically succeeds. Preoperative psychological screening was positively associated with better satisfaction, suggesting that managing expectations before surgery matters as much as the technical execution.
A separate study on cosmetic eyelid surgery specifically found that patients scoring higher on a dysmorphic concern questionnaire were significantly more likely to be dissatisfied with their results, regardless of the objective outcome.22Ophthalmic Plastic & Reconstructive Surgery. The Dysmorphic Concern Questionnaire: Is It Possible to Predict a Satisfactory Result After Cosmetic Eyelid Surgery? – Section: Results This does not mean people with high appearance concerns should be turned away, but it does suggest that an honest conversation about realistic outcomes protects both sides.
Legal Patterns and What They Reveal About Consent
Blepharoplasty is the most commonly litigated procedure in oculoplastic surgery, accounting for about 64% of malpractice cases in one review of the field. The most frequently alleged complications in those lawsuits were excessive scarring, lagophthalmos, visual defects, and exposure keratitis, each appearing in roughly 21% to 25% of cases. Strikingly, an alleged lack of informed consent showed up in about 30% of lawsuits, and the need for additional surgery was cited in 39%.23PubMed. In the eyes of the law: malpractice litigation in oculoplastic surgery – Section: RESULTS
A broader analysis of litigation across five aesthetic procedures from 1982 to 2022 found that about a third of blepharoplasty cases resulted in a non-defense verdict, meaning the patient won or the case settled in their favor. Lack of informed consent was associated with higher odds of that non-defense outcome.24PubMed. Litigation in Aesthetic Plastic Surgery (1982-2022): Verdicts and Indemnity Across Five Procedures – Section: RESULTS The practical takeaway here is not about lawsuits per se; it is about what the legal record reveals. Many complications that end up in court are not unforeseeable disasters. They are known risks that the patient either was not told about or did not understand. A thorough, documented preoperative discussion of specific risks, including rare but serious ones like vision loss, is not just a legal formality. It is how you avoid being blindsided, literally and figuratively.
Plasma Devices and Nonsurgical Alternatives
As the list of potential complications makes clear, some patients may wonder whether they can achieve periocular rejuvenation without going under the knife. Energy-based devices have been gaining ground in this space. Plasma-based technologies use ionized gas to cause controlled superficial tissue tightening without traditional incisions. A systematic review of plasma devices in oculoplastic applications noted that they offer tissue contraction comparable to some surgical approaches, with the advantage of precise superficial treatment and chromophore-independent action, meaning they work on all skin types without relying on pigment absorption.25Journal of Clinical Ophthalmology and Research. Plasma-based technologies in minimally invasive oculoplastic surgery: A systematic review – Section: Discussion
Other technologies in this space include fractional laser resurfacing and radiofrequency microneedling, both of which have shown results for mild to moderate periorbital aging. These devices carry their own risk profiles, including burns, pigmentation changes, and incomplete results, but they sidestep the structural risks unique to surgery like lid malposition, muscle injury, and retrobulbar hemorrhage. The trade-off is that nonsurgical approaches generally cannot address significant skin excess or deep fat pad herniation, so they work best for early changes or for patients who want subtle tightening with less downtime and less risk. For moderate to severe eyelid aging, surgery remains the more definitive option, with all the attendant considerations about choosing your surgeon carefully and understanding exactly what could happen.