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Pupil Ovalization After Phakic Intraocular Lens Implantation Is Associated With Sectorial Iris Hypoperfusion
Peter Fellner, MD;
Bertram Vidic, MD;
Yashin Ramkissoon, MD;
Arthur D. Fu, MD;
Yosuf El-Shabrawi, MD;
Navid Ardjomand, MD
Arch Ophthalmol. 2005;123:1061-1065.
Objective To investigate iris perfusion in patients with and without pupil ovalization after phakic intraocular lens implantation.
Methods Comparative retrospective randomized case series of 6 participants, each with a regular pupil, and 6 participants with pupil ovalization after phakic intraocular lens implantation for high myopia were included in the study. Indocyanine green angiography was performed between 20 and 40 months (mean ± SD, 26 ± 6.1 months) after lens implantation.
Results Iris perfusion defects were found in 5 of 6 patients with pupil ovalization. No perfusion deficits were noted in patients with round pupils.
Conclusion Iris ovalization after phakic intraocular lens implantation may be associated with a lack of iris perfusion and with secondary ischemia. Patients with these lenses and pupil ovalization should be followed regularly.
Author Affiliations: Department of Ophthalmology, Medical University Graz, Graz, Austria (Drs Fellner, Vidic, El-Shabrawi, and Ardjomand); Moorfields Eye Hospital, London, England (Drs Ramkissoon, Fu, and Ardjomand).
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