Long-Term Stability of Femtosecond Astigmatic Keratotomy After Treatment of High Postkeratoplasty Astigmatism
Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved..
PURPOSE: The purpose of this study was to assess long-term stability and outcomes of femtosecond astigmatic keratotomy (FSAK) after treatment of high postkeratoplasty astigmatism.
METHODS: This retrospective study included patients who underwent FSAK for high astigmatism (≥4 D) after penetrating keratoplasty or deep anterior lamellar keratoplasty. Main outcome measures were corneal astigmatism, uncorrected visual acuity, and best-corrected visual acuity (BCVA) at 1 month and 1, 5, and 10 years.
RESULTS: Overall, 61 eyes of 61 patients (mean age 56 ± 19 years, 54.1% male) were included in this study. Preoperative corneal astigmatism ranged from 4 to 25 D. One month after FSAK, mean corneal astigmatism was significantly reduced from 9.02 ± 3.97 D to 4.86 ± 3.10 D ( P < 0.001). Thereafter, corneal astigmatism remained stable at all visits up to 10 years ( P < 0.05 for all compared with baseline). After FSAK, there was a significant improvement in logMAR uncorrected visual acuity from 1.21 ± 0.48 to 0.87 ±0.54 ( P < 0.001) and logMAR BCVA from 1.03 ± 0.55 to 0.49 ± 0.45 ( P < 0.001) which remained stable up to 10 years. A mild reduction in BCVA improvement was seen between 1 month and 1 year.
CONCLUSIONS: Femtosecond astigmatic keratotomy was effective and stable at reducing very high magnitudes of postkeratoplasty astigmatism over the long term. The procedure also had a stable effect on visual acuity, albeit some reduction in the degree of BCVA improvement was seen over the early postoperative period.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:42 |
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| Enthalten in: |
Cornea - 42(2023), 9 vom: 01. Sept., Seite 1110-1115 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Mimouni, Michael [VerfasserIn] |
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| Anmerkungen: |
Date Completed 07.08.2023 Date Revised 07.08.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1097/ICO.0000000000003109 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM344841294 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved. | ||
| 520 | |a PURPOSE: The purpose of this study was to assess long-term stability and outcomes of femtosecond astigmatic keratotomy (FSAK) after treatment of high postkeratoplasty astigmatism | ||
| 520 | |a METHODS: This retrospective study included patients who underwent FSAK for high astigmatism (≥4 D) after penetrating keratoplasty or deep anterior lamellar keratoplasty. Main outcome measures were corneal astigmatism, uncorrected visual acuity, and best-corrected visual acuity (BCVA) at 1 month and 1, 5, and 10 years | ||
| 520 | |a RESULTS: Overall, 61 eyes of 61 patients (mean age 56 ± 19 years, 54.1% male) were included in this study. Preoperative corneal astigmatism ranged from 4 to 25 D. One month after FSAK, mean corneal astigmatism was significantly reduced from 9.02 ± 3.97 D to 4.86 ± 3.10 D ( P < 0.001). Thereafter, corneal astigmatism remained stable at all visits up to 10 years ( P < 0.05 for all compared with baseline). After FSAK, there was a significant improvement in logMAR uncorrected visual acuity from 1.21 ± 0.48 to 0.87 ±0.54 ( P < 0.001) and logMAR BCVA from 1.03 ± 0.55 to 0.49 ± 0.45 ( P < 0.001) which remained stable up to 10 years. A mild reduction in BCVA improvement was seen between 1 month and 1 year | ||
| 520 | |a CONCLUSIONS: Femtosecond astigmatic keratotomy was effective and stable at reducing very high magnitudes of postkeratoplasty astigmatism over the long term. The procedure also had a stable effect on visual acuity, albeit some reduction in the degree of BCVA improvement was seen over the early postoperative period | ||
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| 700 | 1 | |a Alshaker, Sara |e verfasserin |4 aut | |
| 700 | 1 | |a Cohen, Eyal |e verfasserin |4 aut | |
| 700 | 1 | |a Trinh, Tanya |e verfasserin |4 aut | |
| 700 | 1 | |a Gouvea, Larissa |e verfasserin |4 aut | |
| 700 | 1 | |a Din, Nizar |e verfasserin |4 aut | |
| 700 | 1 | |a Chan, Clara C |e verfasserin |4 aut | |
| 700 | 1 | |a Slomovic, Allan R |e verfasserin |4 aut | |
| 700 | 1 | |a Rootman, David S |e verfasserin |4 aut | |
| 700 | 1 | |a Sorkin, Nir |e verfasserin |4 aut | |
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