Inferolateral migration of hydrogel orbital implants in microphthalmia
Jeremiah P Tao1, Russell M LeBoyer, Kathy Hetzler
1Department of Ophthalmology, University of California, Irvine, California 92697, USA. j.tao@uci.edu
Purpose:
Hydrogel spheres may be useful in treating orbital hypoplasia associated with congenital microphthalmia. The authors describe migration associated with the use of these devices.
Methods:
The authors retrospectively reviewed 5 cases in which a hydrogel orbital expander (Osmed) was implanted to treat orbital hypoplasia in pediatric patients with congenital microphthalmia (with or without previous surgery).
Results:
In all 5 cases, a lateral orbitotomy, conjunctiva-sparing approach was used to insert the hydrogel spheres. Two cases involved previously unoperated orbits; 3 patients had prior orbit or socket surgery. Inferolateral movement outside the desired central, deep orbital position occurred in all 5 cases. Four of 5 cases required further procedures to achieve an adequate orbital implant position.
Conclusions:
Inferolateral migration may occur with hydrogel spheres implanted via a lateral orbitotomy approach in microphthalmia.
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