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First Author: F.Jazayeri UK
Co Author(s): D. Anderson
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To determine the safety and efficacy of topography-guided, therapeutic excimer laser ablation for highly aberrated corneas using Topolyzer (Placido disk-based) and Oculyzer (elevation-based) guided treatment on the WaveLight Eye-Q 400Hz Allegretto platform.
Optegra Eye Hospital, Whitely, Hampshire, PO15 7AD
Retrospective, consecutive case series of 14 eyes comprising a heterogeneous group of aberrated corneas. Uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), refraction, elevation and placido-based topography were compared pre and post-operatively with subtraction analysis of corneal topography.
Fourteen eyes of 12 patients were included, 10 males and two females age range 20 to 74 years. Pathology included Keratoconus, radial keratotomy, previous penetrating keratoplasty, previous excimer laser and cataract surgery. Five patients had undergone corneal collagen cross-linking. All patients were followed up for at least 6 months (mean 10 months, range 6 months to 24 months).
Topography-guided excimer laser ablation is a safe and effective treatment modality for the correction of corneal aberrations in patients with heterogeneous corneal pathologies reflecting a corneal referral clinical practice.