2013
DOI: 10.1016/j.jcrs.2012.08.058
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Photorefractive keratectomy in patients with suspected keratoconus: Five-year follow-up

Abstract: Photorefractive keratectomy in eyes with suspected keratoconus based on a Placido neural network may be safe and effective for myopia and astigmatism in carefully selected patients.

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Cited by 54 publications
(48 citation statements)
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“…12 Significant visual improvements have been also reported in other series evaluating eyes with keratoconus undergoing wave front or topography-guided PRK in clinical and subclinical corneas with keratoconus with previous or simultaneous CXL. [13][14][15][16][17][18][19][20] Kanellopoulos and Binder 19 reported a case of bilateral keratoconus with 1 eye treated using a sequential approach CXL + PRK and the other eye receiving only CXL. The eye with the sequential treatment obtained a more significant visual improvement, with 20/20 UDVA, 20/15 CDVA, and a refractive error of Plano 20.50 · 150 degree.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…12 Significant visual improvements have been also reported in other series evaluating eyes with keratoconus undergoing wave front or topography-guided PRK in clinical and subclinical corneas with keratoconus with previous or simultaneous CXL. [13][14][15][16][17][18][19][20] Kanellopoulos and Binder 19 reported a case of bilateral keratoconus with 1 eye treated using a sequential approach CXL + PRK and the other eye receiving only CXL. The eye with the sequential treatment obtained a more significant visual improvement, with 20/20 UDVA, 20/15 CDVA, and a refractive error of Plano 20.50 · 150 degree.…”
Section: Discussionmentioning
confidence: 99%
“…However, in forme fruste or suspect keratoconus, surface ablation has been demonstrated to be a safe technique with promising results. [13][14][15][16] Likewise, some successful experience with the combination of CXL and surface ablation techniques has been reported to date in clinical and subclinical keratoconus. [17][18][19][20] The aim of the current study was to evaluate the clinical outcomes of wave front-guided (WFG) photorefractive keratectomy (PRK) using a high-definition aberrometer in corneas with keratoconus at least 1 year after CXL.…”
mentioning
confidence: 99%
“…[53][54][55][56][57] Mortensen and Ohrstrom 58 showed that PRK avoided the need for PK in four of five CL-intolerant KC eyes with inferior cones. The refractive outcome after PRK in KC suspect eyes was comparable to normal eyes.…”
Section: Contact Lensesmentioning
confidence: 99%
“…Cennamo et al [6] verzeichneten bei 25 behandelten Augen über einen Nachbeobachtungszeitraum von 24 Monaten einen signifikanten Rückgang bei allen Keratokonusindizes, während bei den unbehandelten Kontrollaugen die Indizes stiegen, was auf eine potenzielle therapeutische Wirkung der Excimer-Laser-Behandlung bei Keratokonus hindeutet. Guedj et al [7] führten bei 62 Augen von 42 Patienten mit Verdacht auf Keratokonus eine PRK durch und beobachteten eine signifikante Verbesserung der Sehschärfe, die über einen Beobachtungszeitraum von bis zu 5 Jahren Bestand hatte. Chelala et al [10] berichteten ebenfalls, dass die PRK bei gering- bis mittelgradigem Keratokonus ein sicheres und wirksames Verfahren zur Verbesserung des unkorrigierten Visus bei Patienten mit leichtem Refraktionsfehler darstellt.…”
Section: Diskussionunclassified
“…Bisher liegen wenige Fallberichte vor, die diese Hypothese bestätigen [3]. Zwar gibt es Berichte über Hornhaut-Ektasien nach PRK bei Verdachtsfällen von Keratokonus [4], doch andere Studien haben ermutigende Ergebnisse mit alleiniger PRK erbracht [5,6,7]. …”
Section: Introductionunclassified