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July 10, 2026BMC OphthalmologyOpen Access

Phototherapeutic Keratectomy for epithelial basement membrane dystrophy: long-term observation in Chinese patients

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Authors

MYManrong YuMCMinjie ChenJDJinhui Dai

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Overview

Retrospective analysis shows improved visual outcomes and reduced symptoms in EBMD patients after PTK.

Key Points

  • This research examines the long-term effects of phototherapeutic keratectomy on epithelial basement membrane dystrophy and identifies factors influencing outcomes.
  • Retrospective analysis of 40 patients undergoing PTK for EBMD by a single surgeon.
  • Follow-up duration ranged from 12 to 150 months, with pre- and postoperative assessments of symptoms, visual acuity, and corneal densitometry.
  • Mean ablation depth was measured at 23.1 ± 9.7 μm.
  • 87.5% of patients achieved a best corrected visual acuity (BCVA) of 20/20 post-surgery.
  • Corneal densitometry values significantly decreased after PTK (p < 0.05).
  • A single erosive event occurred in one patient, with no reoperations required.

Cite This Study

Yu et al. (2026) studied this question.

synapsesocial.com/papers/6a508d096eeac72a437a0bc7https://doi.org/10.1186/s12886-026-05108-w
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Recurrence Rate After Phototherapeutic Keratectomy in Epithelial–Stromal TGFBI Corneal Dystrophies Compared With Epithelial Basement Membrane Dystrophy2026
  2. 2Modified Transepithelial Phototherapeutic Keratectomy for Band Keratopathy2024
  3. 3Prevalence of anterior corneal scars impairing visual acuity after Descemet membrane endothelial keratoplasty (DMEK) and treatment by phototherapeutic keratectomy (PTK).2026
  4. 4Phototherapeutic Keratectomy: Science and Art2017 · 49 citations
  5. 5Photorefractive keratectomy with extended ablation zone for recurrent corneal erosion syndrome accompanied with refractive errors: a study of effectiveness, safety, and refractive outcomes2025