Analysis of femtosecond laser assisted capsulotomy cutting edges and manual capsulorhexis using environmental scanning electron microscopy

Sebastiano Serrao, Giuseppe Lombardo, Giovanni Desiderio, Lucio Buratto, Domenico Schiano-Lomoriello, Marco Pileri, Marco Lombardo

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose. To investigate the structure and irregularity of the capsulotomy cutting edges created by two femtosecond (FS) laser platforms in comparison with manual continuous circular capsulorhexis (CCC) using environmental scanning electron microscopy (eSEM). Methods. Ten anterior capsulotomies were obtained using two different FS laser cataract platforms (LenSx, n=5, and Victus, n=5). In addition, five manual CCC (n=5) were obtained using a rhexis forceps. The specimens were imaged by eSEM (FEI Quanta 400, OR, USA). Objective metrics, which included the arithmetic mean deviation of the surface (Sa) and the root-mean-square deviation of the surface (Sq), were used to evaluate the irregularity of both the FS laser capsulotomies and the manual CCC cutting edges. Results. Several microirregularities were shown across the FS laser capsulotomy cutting edges. The edges of manually torn capsules were shown, by comparison of Sa and Sq values, to be smoother (P

Original languageEnglish
Article number520713
JournalJournal of Ophthalmology
Volume2014
DOIs
Publication statusPublished - 2014

ASJC Scopus subject areas

  • Ophthalmology

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