Predictive value of spectral-domain optical coherence tomography features in assessment of visual prognosis in eyes with acute welding arc maculopathy

  • Chunxia Zhang
  • Guangfu Dang
  • Tianmei Zhao
  • DongLin Wang
  • Yan Su
  • Yi Qu
Original Paper
  • 11 Downloads

Abstract

Objective

To observe spectral-domain optical coherence tomography (SD-OCT) features and to determine whether baseline OCT features can be used as predictors of visual acuity outcome in eyes with acute welding arc maculopathy.

Methods

This retrospective study enrolled twenty-two eyes of eleven subjects with acute welding arc maculopathy. All subjects were evaluated by SD-OCT at baseline and final visit. The involved parameters included best-corrected visual acuity (BCVA), central macular thickness (CMT), the length of ellipsoid zone (EZ) defects, the greatest linear dimension (GLD) of outer retinal lesions, EZ reflectivity and relative EZ reflectivity (defined as the ratio of EZ reflectivity to retinal pigment epithelium reflectivity on OCT).

Results

Acute welding arc maculopathy was presented as abnormal hyperreflectivity, hyporeflectivity and defects of outer retinal layer in fovea on OCT. Compared with baseline, BCVA improved significantly accompanied by decreased GLD of outer retinal lesions and the length of EZ defects at final visit (P = 0.0004, P < 0.0001 and P < 0.0001, respectively). No significant changes were shown on CMT (P = 0.248). In multivariate regression analysis, final BCVA was associated with baseline BCVA and the length of EZ defects (P = 0.012 and P = 0.045, respectively). However, EZ reflectivity and relative EZ reflectivity were not associated with final BCVA (P > 0.05).

Conclusion

In conclusion, SD-OCT images clearly reveal morphological changes in outer retinal layer in acute welding arc maculopathy. The baseline BCVA and length of EZ defects are the strongest predictors of final BCVA.

Keywords

Welding arc maculopathy Spectral-domain optical coherence tomography Ellipsoid zone Visual acuity 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

The study has been approved by the local institutional ethics committee of Jinan Mingshui Eye Hospital and has been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  • Chunxia Zhang
    • 1
    • 2
  • Guangfu Dang
    • 3
  • Tianmei Zhao
    • 2
  • DongLin Wang
    • 2
  • Yan Su
    • 2
  • Yi Qu
    • 1
  1. 1.Department of GeriatricsQiLu Hospital of Shandong UniversityJinanChina
  2. 2.Department of OphthalmologyJinan Mingshui Eye HospitalJinanChina
  3. 3.Department of OphthalmologyQianfoshan Hospital Affiliated with Shandong UniversityJinanChina

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