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Corneal incision architecture after IOL implantation with three different injectors: an environmental scanning
Rita Mencucci1, Eleonora Favuzza2, Maria Cristina Salvatici3
1Eye Clinic, Department of Surgery and Translational Medicine, University of Florence, Largo Brambilla 3, 50134, Florence, Italy. rita.mencucci@unifi.it.
Purpose:
To evaluate by Environmental Scanning Electron Microscopy (ESEM) the corneal incision architecture after intraocular lens (IOL) implantation in pig eyes, using manual, automated injectors or preloaded delivery systems.
Methods:
Twenty-four pig eyes underwent IOL implantation in the anterior chamber using three different injectors: manual (Monarch III) (n = 8), automated (AutoSert) (n = 8), or a preloaded system (UltraSert) (n = 8). Acrysof IQ IOLs, 21 Dioptres (D) (n = 12) and 27D (n = 12), were implanted through 2.2 mm clear corneal incisions. Incision width was measured using corneal calipers. The endothelial side of the incision was analyzed with ESEM.
Results:
In each group, the final size of the corneal wound after IOL implantation, measured by calipers, was 2.3-2.4 mm. The incision architecture resulted more irregular in the Monarch group compared with the other injectors. In every group the 27D IOL-implanted specimens showed more alterations than in 21D IOL-implanted samples, and this was less evident in the UltraSert group. The Descemet tear length was higher in the Monarch group than AutoSert and UltraSert group.
Conclusions:
The automated and preloaded delivery systems provided a good corneal incision architecture; after high-power IOL implantation the incisions were more regular and less damaged with the preloaded system than with the other devices.
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