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Published on: July 7, 2023
Iris-fixated anterior chamber phakic intraocular lens for myopia moves posteriorly with mydriasis
Lars P J Cruysberg1, Muriel Doors, Tos T J M Berendschot
1Department of Ophthalmology, University Eye Center, Maastricht, The Netherlands. lcruysberg@gmx.net
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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