Correction of myopic astigmatism


A study on the Artiflex toric phakic IOL

Over the past few decades, several designs have been developed, including angle-supported anterior chamber pIOLs, posterior chamber pIOLs and iris-fixated pIOLs. In 1978 Jan Worst designed the iris-claw IOL, a coplanar single-piece PMMA IOL that was enclavated in a fold of midperipheral iris stroma, a relatively immobile portion of the iris. Several versions of the lens are available: The Artisan pIOL for correction of myopia (6 mm optic), hyperopia and astigmatism (5 mm optic), and a flexible version (Artiflex for the correction of myopia). These lenses are also distributed under the label Verisyse and Veriflex by AMO (Abbott Medical Optics, Illinois, USA).

The toric Artiflex

Additionally, the toric Artiflex lenses are available with a 0° or a 90° cylinder. In eyes with a preoperative cylinder axis between 0 and 45 degrees or between 135 and 180 degrees, an IOL with a torus at 0 degrees is recommended. In eyes with a preoperative cylinder axis between 45 and 135 degrees, a torus at 90 degrees is recommended. This enables implantation of the pIOL in a horizontal or slightly oblique position through a 12 o'clock incision, as well as in a more or less vertical position through a temporal incision.

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