Long Term Analysis of LASIK for the Correction of Refractive Errors After Penetrating Keratoplasty

Hardten, David R.; Chittcharus, Anuwat; Lindstrom, Richard L.; Stark, Walter J.; Nirankari, Verinder S.; Bobrow, James C.; Troutman, Richard C.

doi:10.1097/01.ico.0000120783.31977.77

Cited by 59 publications

(24 citation statements)

References 56 publications

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“…Visual acuity after enhancement was included in postoperative data. In most recent studies of one-step LASIK, enhancement was observed in 9% to 39% of cases [11,12,13]. In our study, the rate of enhancement was 8%.…”

Section: Discussionsupporting

confidence: 60%

Laser-assistedIn SituKeratomileusis for Correction of Astigmatism and Increasing Contact Lens Tolerance after Penetrating Keratoplasty

Park

Kim

2014

Korean J Ophthalmol

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PurposeTo determine effectiveness of laser-assisted in situ keratomileusis (LASIK) in the treatment of astigmatism following penetrating keratoplasty (PK).MethodsWe performed a retrospective review of medical records of patients who underwent LASIK following PK and had over 1 year of follow-up data.ResultsTwenty-six patients (26 pairs of eyes) underwent LASIK following PK. Mean age of the patients at the time of LASIK was 40.7 years (range, 26 to 72 years). Following LASIK, the mean cylinder was reduced by 2.4 diopters and mean reduction of cylinder after LASIK was 65.4% from the preoperative values at the last follow-up visit. Uncorrected visual acuity became 20 / 50 or better in 69.2% of the eyes after LASIK. Best-corrected visual acuity became 20 / 50 or better in 73.1% of the eyes after LASIK. All of them were intolerable to contact lenses before LASIK. After LASIK, 6 pairs (23.1%) did not need to use contact lenses and 18 pairs (69.2%) were tolerable to using contact lenses or spectacles. There were no significant endothelial cell density changes 12 months after LASIK (p = 0.239).ConclusionsLASIK is effective in the treatment of astigmatism following PK and increases contact lens and spectacle tolerance.

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Section: Discussionsupporting

confidence: 60%

Laser-assistedIn SituKeratomileusis for Correction of Astigmatism and Increasing Contact Lens Tolerance after Penetrating Keratoplasty

Park

Kim

2014

Korean J Ophthalmol

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“…In some cases, anisometropia may develop, causing diplopia and blurred vision [5]. The management of these refractive problems is initially focused on conservative means – spectacle lenses and contact lenses – before introducing invasive procedures as surgical options [6].…”

Section: Discussionmentioning

confidence: 99%

Management of Extreme Ametropia after Penetrating Keratoplasty: A Series of Surgical Procedures for High Myopia and Astigmatism

Valdez-García

Cueto-Gómez²,

Lozano-Ramírez³

et al. 2014

Case Rep Ophthalmol

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A series of surgical interventions - relaxing corneal incisions, intraocular lens, and intrastromal rings - were used to correct a case of extreme ametropia in a thin cornea after a penetrating keratoplasty in an 18-year-old patient who presented with a -10.25 -8.50 × 120 preoperative refraction and 20/200 best-corrected visual acuity (BCVA). After a series of surgical procedures, the patient's BCVA in his left eye improved to 20/30 with +0.50 -1.00 × 170, the slit lamp examination showed no significant findings, and the patient's visual complaints disappeared. At the 1-year follow-up, the BCVA was 20/25, without visual complaints. The process of individualizing the surgical procedure in the present case was employed in an outcome-based approach, that is, the next surgical procedure was defined after the surgery and postoperative evaluation. The patient did not present complications during the follow-up period of 2.5 years.

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“…Both microkeratome- and femtosecond laser-assisted LASIK have been shown to be effective in the correction of post-PK ametropia, particularly the spherical component [5]. Importantly, no significant changes to endothelial cell density could be demonstrated in post-PK patients who underwent microkeratome-LASIK [6]. …”

Section: Discussionmentioning

confidence: 99%

Femtosecond Laser Refractive Surgery after Descemet Stripping-Automated Endothelial Keratoplasty

Fung

Iovieno

Shanmuganathan

et al. 2012

Case Reports in Ophthalmological Medicine

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Purpose. To report the use of femtosecond laser-assisted in situ keratomileusis (LASIK) in the treatment of hyperopia subsequent to Descemet stripping-automated endothelial keratoplasty (DSAEK). Methods. Interventional case report. Results. A 66-year-old woman with Fuchs endothelial dystrophy developed bullous keratopathy after cataract surgery in her right eye. She underwent DSAEK with a significant postoperative hyperopic shift in her refraction. Thirteen months after DSAEK, she underwent wavefront-guided, femtosecond laser-assisted LASIK (IntraLase, Inc., Irvine, CA/AMO, Inc., IL, USA). Pretreatment unaided visual acuity was 20/120, and best-corrected visual acuity was 20/20 with a refraction of +3.25/−0.50 × 170. One year after laser refractive correction, unaided visual acuity was 20/20 with a refraction of +0.25/−0.75 × 160. Conclusion. To our knowledge, this is the first paper on the successful treatment of hyperopic shift related to DSAEK with wavefront-guided, femtosecond laser-assisted LASIK.

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Long Term Analysis of LASIK for the Correction of Refractive Errors After Penetrating Keratoplasty

Cited by 59 publications

References 56 publications

Laser-assistedIn SituKeratomileusis for Correction of Astigmatism and Increasing Contact Lens Tolerance after Penetrating Keratoplasty

Laser-assistedIn SituKeratomileusis for Correction of Astigmatism and Increasing Contact Lens Tolerance after Penetrating Keratoplasty

Management of Extreme Ametropia after Penetrating Keratoplasty: A Series of Surgical Procedures for High Myopia and Astigmatism

Femtosecond Laser Refractive Surgery after Descemet Stripping-Automated Endothelial Keratoplasty

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