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Obstructive sleep apnoea prevalence in non-arteritic anterior ischaemic optic neuropathy: a response
  1. Simon D Kolb,
  2. Oliver Backhouse
  1. Department of Ophthalmology, St. James's University Hospital, Leeds, UK
  1. Correspondence to Dr Simon D Kolb, Department of Ophthalmology, St. James's University Hospital, Beckett Street, Leeds, West Yorkshire LS9 7TF, UK; simonkolb{at}doctors.org.uk

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We have found similar evidence of obstructive sleep apnoea syndrome (SAS) tested by overnight pulse oximetry in a cohort of 17 consecutive patients presenting to the eye clinic with non-arteritic ischaemic optic neuropathy (NAION).1

Patients answered an abbreviated questionnaire of SAS and were sent for sleep studies if they had symptoms. They were tested by the sleep clinic with overnight oximetry and answered the Epworth sleepiness scale. Of the patients 64.7% were diagnosed with SAS, 55% were men, and the mean …

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