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10 - 14 Sept. 2016, Bella Center, Copenhagen, Denmark

This Meeting has been awarded 27 CME credits

 

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Long-term results of combined simultaneous transepithelial phototherapeutic keratectomy and conventional photorefractive keratectomy followed by corneal cross-linking for keratoconus

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Session Details

Session Title: Moderated Poster Session 03: Spotlight on Corneal Surgery

Session Date/Time: Monday 12/09/2016 | 14:00-15:00

Paper Time: 14:10

Venue: Poster Village: Pod 1

First Author: : M.Grentzelos GREECE

Co Author(s): :    D. Liakopoulos   K. Tsoulnaras   C. Siganos   M. Tsilimbaris   I. Pallikaris   G. Kymionis

Abstract Details

Purpose:

To present the long-term results after combined simultaneous transepithelial phototherapeutic keratectomy (t-PTK) and conventional photorefractive keratectomy (PRK) followed by corneal crosslinking (CXL) for keratoconus.

Setting:

Vardinoyiannion Eye Institute of Crete (VEIC), Faculty of Medicine, University of Crete, Heraklion, Crete, Greece

Methods:

In this prospective, interventional case series, patients with progressive keratoconus underwent combined simultaneous conventional PRK followed by CXL; corneal epithelium was removed by t-PTK (Cretan protocol plus). Visual and refractive outcomes were evaluated along with endothelial cell density (ECD) preoperatively and at 1, 2, and 3 years postoperatively.

Results:

Twenty-two patients (31 eyes) were enrolled. No intraoperative or postoperative complications were observed in any of the patients. Logarithm of the minimum angle of resolution (LogMAR) mean uncorrected and mean corrected distance visual acuity improved from 0.81 ± 0.40 and 0.18 ± 0.21 preoperatively to 0.38 ± 0.33 (p < 0.001) and 0.06 ± 0.12 (p < 0.001) at 3 years postoperatively, respectively. Mean spherical equivalent improved from -5.39 ± 3.89 diopters (D) preoperatively to -2.29 ± 2.65 D (p < 0.001) at 3 years postoperatively. Mean corneal astigmatism reduced from -4.70 ± 2.86 D preoperatively to -3.55 ± 2.45 D (p = 0.001) at 3 years postoperatively. No ECD alterations were observed throughout the follow-up period (p > 0.05).

Conclusions:

Combined simultaneous t-PTK and conventional PRK followed by CXL seems to be an effective and safe treatment for keratoconic patients over a long-term follow-up period.

Financial Disclosure:

NONE

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