Original articleResidual Iris Retraction Syndrome After Artificial Iris Implantation
Section snippets
Methods
At the Eye Clinic of the Technical University of Munich, 50 ArtificialIris silicone iris prostheses were implanted between June 2011 and December 2016. The main indication for surgery was intense sensitivity to glare. Secondary reasons were the patients' concerns about cosmetic appearance and decreased visual acuity. We analyzed the morphologic changes of the residual iris 24 ± 14 months after surgical reconstruction (at least 1 year of follow-up). Six patients suffered from complete aniridia
Results
In 7 of 42 eyes (16.7%) we detected a retraction syndrome of the patient's residual iris after implantation of the artificial iris prosthesis (Table). A continuous enlargement of the original pupillary aperture was noted during the follow-up in these patients. None of them complained about disturbing symptoms, especially pain, cosmetic alterations, or visual disturbances owing to the dilated residual iris.
Five of the affected patients were male and 2 female; mean age was 55.9 ± 1.3 years; and 3
Discussion
We describe a previously unrecognized late complication of artificial iris implantation with the ArtificialIris device: Residual Iris retraction Syndrome (RITS), which is an unforeseeable event after artificial iris implantation that is late onset—detectable during a long postoperative follow-up period. RITS is manifest by progressive enlargement of the pupil and retraction of the residual iris.
In 7 patients treated with an artificial iris, we detected morphologic changes in the residual iris.
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