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Indian J Ophthalmol. 2018 Nov;66(11):1600-1607. doi: 10.4103/ijo.IJO_472_18.

Low-cost three-dimensional printed orbital template-assisted patient-specific implants for the correction of spherical orbital implant migration.

Author information

1
Socket, Anophthalmia and Orbito-facial Prosthesis Service; Ophthalmic Plastic Surgery Service, LV Prasad Eye Institute, Hyderabad, Telangana, India.
2
Srujana Center for Innovation, LV Prasad Eye Institute, Hyderabad, Telangana, India.
3
Socket, Anophthalmia and Orbito-facial Prosthesis Service, LV Prasad Eye Institute, Hyderabad, Telangana, India.
4
Ophthalmic Plastic Surgery Service, LV Prasad Eye Institute, Hyderabad, Telangana, India.

Abstract

Purpose:

To describe the outcomes of a patient-specific implant (PSI), fabricated using a three-dimensional (3D) printed orbital template and placed in the basin of the inferior orbital fissure to correct inferotemporally migrated spherical orbital implant.

Methods:

This is a single-center, prospective, consecutive, interventional, case series of six patients, with non-porous, spherical, orbital implant migration that underwent implant recentration surgically with a novel technique. Migration was subclassified either as decentration that did not affect the prosthetic retention or as displacement that affected the prosthetic retention in the eye socket. Only implant displacements were treated. The primary outcome measure was centration of the implant clinically and radiologically, with ability to retain the prosthesis.

Results:

At a mean follow-up of 21 months, all six orbital spherical implants remained centered. There were no cases of extrusion, exposure, or migration of either implants. There were no cases of PSI displacement. Additional procedures to optimize the aesthetic outcome of the customized ocular prosthesis (COP) required were simultaneous fornix formation suture in three patients, subsequent fornix formation with mucus membrane graft in two patients, and levator resection and sulcus hyaluronic acid gel injection in one patient each. The mean PSI implant weight was 2.66 ± 0.53 g. The mean COP weight was 2.2 ± 0.88 g postoperatively. The median patient satisfaction with the procedure was 9 on 10.

Conclusion:

A 3D printing-assisted PSI placed in the basin of the inferior orbital fissure allows recentration of the migrated implant over a follow-up of 21 months without complications.

KEYWORDS:

Anophthalmic socket; complication; implant migration; orbital implant; three-dimensional printing

PMID:
30355870
PMCID:
PMC6213664
DOI:
10.4103/ijo.IJO_472_18
[Indexed for MEDLINE]
Free PMC Article

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