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A wound leak is a severe complication that occurs when the surgical incision made in the cornea or sclera fails to seal completely, allowing the clear internal fluid (aqueous humor) to leak out of the eye. This compromises the eye's sterile environment.
read more about wound leak in eye health ...The primary cause is improper healing or undue stress on a recent surgical incision, most commonly after cataract surgery. The failure of the wound's natural seal allows the internal fluid to escape, causing the intraocular pressure (IOP) to drop dangerously low. This low pressure is called hypotony. The defect poses a severe risk of infection, as external pathogens can be drawn into the compromised eye structure.
Symptoms are associated with pain, discomfort, and altered pressure. Patients often report severe eye pain, a foreign body sensation, and seidel's sign (visible fluid dripping from the wound). Vision may be blurry, and the eye feels soft to the touch due to the low internal pressure. This leakage indicates the loss of the eye's natural structural integrity and demands urgent intervention.
A wound leak severely impacts vision by causing hypotony. The dangerously low intraocular pressure causes the retina and choroid layers to fold, leading to severe visual distortion and permanent damage to the retina. The open wound also creates a direct pathway for bacteria to enter the eye, causing endophthalmitis (severe internal infection).
Diagnosis is confirmed by the Seidel test. The doctor places a fluorescent dye over the wound site. If aqueous humor is leaking, it will wash the dye away, revealing a stream of clear fluid under the blue light of a slit lamp. Pressure is also measured and found to be extremely low.
The necessary treatment is immediate surgical repair. The surgeon must locate the leak and close the wound using fine sutures (stitches) or specialized tissue glue to restore the eye's sterile environment and normalize the intraocular pressure.
No, a wound leak is rare but is a known complication that must be monitored after major eye surgery.
No, low pressure can be caused by inflammation, but a leak is the most common cause immediately after surgery.
No, a wound leak is an ophthalmic emergency requiring immediate surgical intervention.
If your vision becomes extremely "soft" or blurry after cataract or glaucoma surgery, you likely have a Wound Leak. This "Hypotony" allows bacteria to enter the eye, leading to "Endophthalmitis." A doctor will use the "Seidel Test" with orange dye to identify the leak and may need to add a stitch.
AAO. Postoperative Complications (aao.org). 2024.
Review of Optometry. Managing Wound Leaks (reviewofoptometry.com). 2023.
StatPearls. Seidel Test (ncbi.nlm.nih.gov). 2024.
Mayo Clinic. Eye Surgery Recovery (mayoclinic.org). 2024.