About the Authors
- Olof Birna Olafsdottir
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Affiliations Department of Ophthalmology, University of Iceland, Reykjavik, Iceland, Department of Ophthalmology, Landspitali—The National University Hospital of Iceland, Reykjavik, Iceland
- Thorunn Scheving Eliasdottir
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Affiliations Department of Ophthalmology, University of Iceland, Reykjavik, Iceland, Department of Ophthalmology, Landspitali—The National University Hospital of Iceland, Reykjavik, Iceland
- Jona Valgerdur Kristjansdottir
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Affiliations Department of Ophthalmology, University of Iceland, Reykjavik, Iceland, Department of Ophthalmology, Landspitali—The National University Hospital of Iceland, Reykjavik, Iceland
- Sveinn Hakon Hardarson
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Affiliations Department of Ophthalmology, University of Iceland, Reykjavik, Iceland, Department of Ophthalmology, Landspitali—The National University Hospital of Iceland, Reykjavik, Iceland
- Einar Stefánsson
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* E-mail: einarste@landspitali.is
Affiliations Department of Ophthalmology, University of Iceland, Reykjavik, Iceland, Department of Ophthalmology, Landspitali—The National University Hospital of Iceland, Reykjavik, Iceland
Competing Interests
ES and SHH are involved in the development of the instrument (oximeter) used in the study and have financial interest in the company Oxymap ehf., which designed the instrument. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: OBO TSE JVK SHH ES. Performed the experiments: OBO TSE JVK. Analyzed the data: OBO SHH ES. Contributed reagents/materials/analysis tools: OBO ES. Wrote the paper: OBO TSE JVK SHH ES.