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International Ophthalmology

Erschienen in:

09.04.2020 | Original Paper

Hyperopic laser keratorefractive surgery: Do steep corneas have worse outcomes?

verfasst von: Oriel Spierer, Michael Mimouni, Achia Nemet, Gilad Rabina, Igor Kaiserman

Erschienen in: International Ophthalmology | Ausgabe 8/2020

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Abstract

Purpose

To report the visual and refractive outcomes of hyperopic patients undergoing laser keratorefractive surgery in preoperatively steep corneas versus a matched control group.

Methods

Retrospective cohort study. All patients underwent photorefractive keratectomy (PRK) or laser-assisted in situ keratomileusis (LASIK) at Care-Vision Laser Centers, Tel-Aviv, Israel, between 1/2000 and 11/2016. Patients were divided into two groups: steep corneas (mean keratometry ≥ 44.00 D) and control group (mean keratometry < 44.00 D). The two study groups were matched by age, gender, sphere and cylinder. Only the right eye of each patient was included. Outcomes included postoperative uncorrected distance visual acuity (UDVA), best-corrected distance visual acuity (CDVA), safety and efficacy indexes, refractive outcomes and retreatment rates.

Results

Five hundred and two patients were included. Both groups were similar in demographic data, visual acuity and refraction. Postoperatively, the steep corneas group had a significantly higher mean keratometry as compared to the control group (46.52 ± 1.43 D vs 44.58 ± 1.68 D, p < 0.001), K_min (46.04 ± 1.50 D vs 44.12 ± 1.76 D, p < 0.001) and K_max (46.99 ± 1.51 D vs 45.03 ± 1.77 D, p < 0.001). Both groups had similar postoperative UDVA and CDVA and achieved a similar final sphere (0.64 ± 0.19 vs 0.54 ± 1.19, p = 0.44) and cylinder (− 0.89 ± 0.59 vs − 0.86 ± 0.72, p = 0.67). Both groups had a similar efficacy index (0.92 ± 0.22 vs 0.90 ± 0.25, p = 0.33) and similar retreatment rates (4.2% vs 3.5%, p = 0.74). None of the patients in either group underwent more than one retreatment throughout the follow-up period.

Conclusions

Hyperopic patients with steep corneas undergoing laser keratorefractive surgery can achieve adequate visual and refractive outcomes, similar to control group.

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Titel: Hyperopic laser keratorefractive surgery: Do steep corneas have worse outcomes?
verfasst von: Oriel Spierer
Michael Mimouni
Achia Nemet
Gilad Rabina
Igor Kaiserman
Publikationsdatum: 09.04.2020
Verlag: Springer Netherlands
Erschienen in: International Ophthalmology / Ausgabe 8/2020
Print ISSN: 0165-5701
Elektronische ISSN: 1573-2630
DOI: https://doi.org/10.1007/s10792-020-01360-1

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Hyperopic laser keratorefractive surgery: Do steep corneas have worse outcomes?

Abstract

Purpose

Methods

Results

Conclusions

Neu im Fachgebiet Augenheilkunde

Ophthalmika in der Schwangerschaft

Operative Therapie und Keimnachweis bei endogener Endophthalmitis

Bakterielle endogene Endophthalmitis

So erreichen Sie eine bestmögliche Wundheilung der Kornea

Update Augenheilkunde

Springer Medizin

Abstract

Purpose

Methods

Results

Conclusions

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