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Letter to the editor: 24-hour versus daytime intraocular pressure phasing in the management of patients with treated glaucoma
  1. Kaweh Mansouri,
  2. Felipe A Medeiros,
  3. Robert N Weinreb
  1. Hamilton Glaucoma Center, Department of Ophthalmology, University of California San Diego, La Jolla, California, USA
  1. Correspondence to Dr Robert N Weinreb, Department of Ophthalmology, Hamilton Glaucoma Center, University of California San Diego, 9500 Gilman Drive 0946, La Jolla, CA 92093, USA; weinreb{at}

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We read with interest the article by Moodie et al1 in which they assessed the value of 24-hour intraocular pressure (IOP) monitoring in patients with treated glaucoma. This is a very important issue, and the authors are to be applauded for attempting to address it. They conclude that 24-hour IOP monitoring offers little advantage over daytime monitoring. In our opinion, however, the study has methodological issues that might have influenced the outcome.

The objective of this study was to determine the value of daytime and 24-hour monitoring for detection of IOP fluctuations and peaks in patients with treated glaucoma. All IOP measurements were in the sitting position. Ideally, such an investigation should be carried out with measurements …

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  • Competing interests KM is a consultant for Sensimed AG, Switzerland.

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