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Evaluation of biomechanically corrected intraocular pressure using Corvis ST and comparison of the Corvis ST, noncontact tonometer, and Goldmann applanation tonometer in patients with glaucoma.

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  • المؤلفون: Nakao Y;Nakao Y; Kiuchi Y; Kiuchi Y; Okumichi H; Okumichi H
  • المصدر:
    PloS one [PLoS One] 2020 Sep 23; Vol. 15 (9), pp. e0238395. Date of Electronic Publication: 2020 Sep 23 (Print Publication: 2020).
  • نوع النشر :
    Clinical Trial; Comparative Study; Journal Article
  • اللغة:
    English
  • معلومة اضافية
    • المصدر:
      Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: San Francisco, CA : Public Library of Science
    • الموضوع:
      Glaucoma, Open-Angle/*physiopathology ; Intraocular Pressure/*physiology ; Tonometry, Ocular/*methods; Adult ; Aged ; Biomechanical Phenomena ; Cornea/physiology ; Cornea/physiopathology ; Corneal Pachymetry ; Female ; Glaucoma, Open-Angle/pathology ; Humans ; Male ; Middle Aged ; Prospective Studies ; Regression Analysis ; Tonometry, Ocular/instrumentation ; Tonometry, Ocular/statistics & numerical data
    • نبذة مختصرة :
      Purpose: The aim of the study was to investigate the effects of various anatomical structures on intraocular pressure (IOP) measurements obtained by the Corneal Visualization Scheimpflug Technology (Corvis ST), Goldmann applanation tonometer (GAT), and noncontact tonometer (NCT), as well as to assess the interchangeability among the four types of IOP measurement: IOP-GAT, IOP-NCT, IOP-Corvis, and biomechanically corrected IOP (bIOP-Corvis), with a particular focus on bIOP-Corvis.
      Materials and Methods: We included 71 patients with primary open-angle glaucoma and assessed their IOP measurements obtained with the GAT, NCT, and Corvis ST using a repeated measures ANOVA, a paired t-test with Bonferroni correction, stepwise multiple regression analyses and Bland-Altman plots.
      Results: IOP-GAT showed the highest values (13.5 ± 2.1 mmHg [mean ± standard deviation]), followed by IOP-NCT (13.2 ± 2.7 mmHg), IOP-Corvis (10.6 ± 2.8 mmHg), and bIOP-Corvis (10.0 ± 2.3 mmHg). With exceptions of bIOP-Corvis and IOP-GAT, all IOP variations were explained by regression coefficients involving the central corneal thickness. Bland-Altman plots showed a mean difference between IOP-GAT and the other IOP measurements (IOP-Corvis, bIOP-Corvis, and IOP-NCT), which were -2.90, -3.48, and -0.29 mmHg, respectively. The widths of the 95% limits of agreement between all pairs of IOP measurements were greater than 3 mmHg.
      Conclusion: IOP values obtained with the Corvis ST, NCT, and GAT were not interchangeable. The bIOP-Corvis measurement corrected for the ocular structure.
      Competing Interests: The authors have declared that no competing interests exist.
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    • Molecular Sequence:
      figshare 10.6084/m9.figshare.11954748
    • الموضوع:
      Date Created: 20200923 Date Completed: 20201026 Latest Revision: 20201026
    • الموضوع:
      20231215
    • الرقم المعرف:
      PMC7510959
    • الرقم المعرف:
      10.1371/journal.pone.0238395
    • الرقم المعرف:
      32966284