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A comparison of several methods of macular hole measurement using optical coherence tomography, and their value in predicting anatomical and visual outcomes
  1. Laura Wakely1,
  2. Rubina Rahman1,
  3. John Stephenson2
  1. 1Calderdale Royal Hospital, Salterhebble Hill, Halifax, UK
  2. 2School of Human and Health Sciences, University of Huddersfield, Queensgate, Huddersfield, UK
  1. Correspondence to Rubina Rahman, Calderdale Royal Hospital, Salterhebble Hill, Halifax HX3 0NJ, UK; rubina.rahman{at}nhs.net

Abstract

Background/Aims To compare several methods of macular hole measurement using optical coherence tomography (OCT), and to assess their predictive capability against anatomical and visual outcomes in a single cohort of patients.

Methods A retrospective study of 50 eyes undergoing standardised macular hole surgery. All patients underwent preoperative OCT scanning with measurement of macular hole inner opening diameter, minimum linear diameter, base diameter and macular hole height. Values were calculated for the macular hole index and the tractional hole index.

Results Logistic regression analyses indicated that the preoperative base diameter, macular hole inner opening and minimum linear diameter were associated with both anatomical and visual success. Derived parameters as alternatives to these basic ophthalmic parameters add little to the modelling of either anatomical or visual success.

Conclusion Base diameter, macular hole inner opening and minimum linear diameter can each be used to predict anatomical and/or functional success in macular hole surgery. Preoperative base diameter is the most useful variable in this regard, as it holds the strongest association with anatomical and visual outcome and is easily measured on a OCT scan.

  • Base diameter
  • macula
  • macular hole
  • OCT
  • retina
  • sulphur hexafluoride
  • trauma
  • vitreous

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Footnotes

  • Competing interests None.

  • Ethics approval This study was a retrospective analysis of OCT images acquired in the course of the standard treatment of macular hole, with no alteration in normal patient management.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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