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  • Title: Iris-fixated anterior chamber phakic intraocular lens for myopia moves posteriorly with mydriasis.
    Author: Cruysberg LP, Doors M, Berendschot TT, De Brabander J, Webers CA, Nuijts RM.
    Journal: J Refract Surg; 2009 Apr; 25(4):394-6. PubMed ID: 19431932.
    Abstract:
    PURPOSE: To elucidate the physiological characteristics of eyes implanted with iris-fixated anterior chamber phakic intraocular lenses (pIOLs), which are increasingly being used for the correction of higher myopic and hyperopic refractive errors. METHODS: In a case series of 20 patients (39 eyes), the position of the pIOL to the natural lens and the cornea was evaluated under photopic (135 lux) and low mesopic (< 1 lux) circumstances with anterior segment optical coherence tomography. RESULTS: The distance between the pIOL and the natural lens decreased, and congruently, the distance from the pIOL to the corneal endothelium increased under low mesopic circumstances. CONCLUSIONS: The distance between the pIOL and the corneal endothelium increases when the pupil dilates under dark circumstances, contributing to the already excellent safety data available on pIOL implantation.
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