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André Ferreira

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Open access Sep 2026

Clinical and Tomographic Outcomes of Long Arc-Length Intrastromal Corneal Ring Segment Implantation in Central Keratoconus

Purpose To assess the outcomes of implanting a long arc-length intrastromal corneal ring segment (ICRS) in central hyperprolate keratoconus (KC). Methods Retrospective study enrolling patients with moderate to advanced hyperprolate KC that were submitted to long arc-length ICRS implantation (Ferrara™ or Keraring®). The...

B. Vieira, André Ferreira, J. Ramalhão et al. · 0 citations

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