Anophthalmic Socket Complications
Recognizing and managing complications of the anophthalmic socket — post-enucleation socket syndrome, deep superior sulcus, implant exposure and extrusion, and a poorly fitting prosthesis.
Medically reviewed by Mark S. Brown, MDOculoplastic SurgeonLast updated June 2026
Part of our complete guide to Anophthalmos & Socket Reconstruction — this page covers anophthalmic socket complications in depth.
Post-Enucleation Socket Syndrome
Post-enucleation socket syndrome results from volume loss and structural changes after the globe is removed. The ~7 ml of volume lost is only partially replaced by a standard implant (an 18 mm sphere provides ~3 ml; a 20 mm sphere ~4.1 ml), compounded by up to 3 ml of orbital-fat atrophy over time. Manifestations include:
- Enophthalmos — posterior displacement of the implant and prosthesis.
- Deep superior sulcus — hollowing above the upper eyelid from volume loss.
- Lower-eyelid laxity — with a shallow fornix, making prosthesis retention difficult.
- Ptosis or lid retraction — from changes in the levator complex.
Implant Exposure & Extrusion
Implant exposure — a breakdown in the conjunctival covering over the implant — is the most common serious complication. A small exposure may be repaired surgically with a patch graft. Larger exposures or progressive extrusion may require implant removal and replacement, often with a dermis-fat graft. Early recognition and treatment improve the chances of preserving the implant.
Other Complications
- Hemorrhage — more common in patients on anticoagulants; usually managed conservatively.
- Infection — rare with modern porous implants; most secondary infections respond to antibiotics, though severe cases may require implant removal.
- Poorly fitting prosthesis — the socket changes over time; regular ocularist visits (every 1–2 years) for polishing, refitting, and replacement keep the prosthesis comfortable and natural.
Frequently Asked Questions
- What is post-enucleation socket syndrome?
- It is a group of changes from the volume lost when the eye is removed: enophthalmos (a deep-set prosthesis), a deep superior sulcus (hollowing above the upper lid), lower-eyelid laxity with a shallow fornix, and ptosis or lid retraction. It is treated by restoring volume (a larger or secondary implant, or dermis-fat graft) and addressing the eyelids.
- Is implant exposure serious?
- Implant exposure — a breakdown of the conjunctiva over the implant — is the most common serious complication and should be evaluated promptly. Small exposures can be repaired with a patch graft; larger or progressive exposures may require implant exchange, often with a dermis-fat graft. Early treatment usually prevents implant loss.
Ready to discuss Anophthalmic Socket Complications?
Schedule a consultation with Mark S. Brown, MD to learn if this procedure is right for you.