Six-Month Clinical Outcomes of Customized Treatments Minimized for Depth and Time in Laser Corneal Refractive Surgery

Arba-Mosquera, Samuel; Arbelaez, María Clara; Merayo‐Lloves, Jesús

doi:10.1097/ico.0b013e3181d3d2ce

Cited by 4 publications

(3 citation statements)

References 60 publications

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“…Use minimize functions [10,15,16]. -More often, they attempt to correct SphAb + defocus, but manifest Sph is infl uenced by SphAb, so they may be correcting manifest defocus "twice" and inducing overcorrections.…”

Section: Discussionmentioning

confidence: 99%

“…We select Minimize Depth or Minimize Volume [10,15,16] (depending on the tissue consumption, in general Minimize Depth for myopic spherical equivalent and Minimize Volume otherwise).…”

Section: Step 5: Minimize Tissue Removalmentioning

confidence: 99%

“…At this point, if we are satisfi ed with the global savings and the proposed ablation map, we proceed with the plan as is, otherwise, we select Minimize Depth+ or Minimize Volume+ [10,15,16].…”

Section: Step 5: Minimize Tissue Removalmentioning

confidence: 99%

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Difficult and Complicated Cases in Refractive Surgery

Alió

Azar

Abbouda

et al. 2015

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Section: Discussionmentioning

confidence: 99%

“…We select Minimize Depth or Minimize Volume [10,15,16] (depending on the tissue consumption, in general Minimize Depth for myopic spherical equivalent and Minimize Volume otherwise).…”

Section: Step 5: Minimize Tissue Removalmentioning

confidence: 99%

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Difficult and Complicated Cases in Refractive Surgery

Alió

Azar

Abbouda

et al. 2015

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Corneal Wavefront-Guided Ablation

Awwad

Arba-Mosquera

Verma

2018

Customized Laser Vision Correction

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Safety and Efficacy of Corneal Minimized-Volume Ablation With Accelerated Cross-Linking in Improving Visual Function for Keratoconus

Yang

Liu²,

Feng³

et al. 2020

Cornea

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Purpose: To evaluate the safety and efficacy of corneal minimized-volume ablation with accelerated cross-linking in improving visual function in keratoconus eyes. Methods: Through a pilot study, 25 eyes of 25 consecutive patients with keratoconus grade I–III were recruited that underwent corneal transepithelial photorefractive keratectomy with “minimized volume” ablation profile and accelerated corneal cross-linking in the same session. Corrected and uncorrected distance visual acuities, manifest refraction, corneal curvature and higher-order aberrations, endothelial cells, and the ocular modulation transfer function were assessed preoperatively and postoperatively, with a minimum follow-up of 6 months. A P value < 0.05 was the threshold of statistical significance. Results: At 8.2 ± 3.6 months postoperatively, the mean corrected and uncorrected distance visual acuities (LogMAR) were 0.07 ± 0.15 and 0.45 ± 0.39, significantly improving from the baseline of 0.24 ± 0.24 (P 8m-before = 0.005) and 1.12 ± 0.33 (P 8m-before < 0.001), respectively. Spherical equivalent was −2.80 ± 2.72 diopters (D), significantly decreasing from the baseline of −6.61 ± 3.06 D (P 8m-before < 0.001), whereas the attempted corrected spherical equivalent was−2.30 ± 1.22 D. Meanwhile, a significant reduction was found in higher-order aberration, along with the postoperative improvement in ocular modulation transfer function. Corneal surface morphological parameters were found with significant decreases postoperatively (index of surface variance: P 8m-before = 0.003; index of vertical asymmetry: P 8m-before = 0.005; keratoconus index: P 8m-before = 0.004; center keratoconus index: P 8m-before = 0.003; and index of height decentration: P 8m-before < 0.001). Nevertheless, no significant change was found in posterior corneal curvature or endothelial cell density between pre- and post-operative periods. Conclusions: Corneal minimized-volume ablation with accelerated cross-linking was an effective and safe option for correction of mild refractive error, leading to significant improvement of visual function in patients with keratoconus.

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Six-Month Clinical Outcomes of Customized Treatments Minimized for Depth and Time in Laser Corneal Refractive Surgery

Abstract: The minimization techniques compared here effectively reduced depth and time needed for ablation (up to a maximum of 50% and by 15% in average) without negatively affecting clinical outcomes postoperatively, yielding results equivalent to those of the full customization group.

Cited by 4 publications

References 60 publications

Difficult and Complicated Cases in Refractive Surgery

Difficult and Complicated Cases in Refractive Surgery

Corneal Wavefront-Guided Ablation

Safety and Efficacy of Corneal Minimized-Volume Ablation With Accelerated Cross-Linking in Improving Visual Function for Keratoconus

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