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CONTAMINATION OF PRESERVATIVE FREE EYE DROPS
Most eye drops in the United Kingdom contain preservatives bottled in plastic containers. However, preservative free drops are used to avoid ocular irritation and allergies in some individuals. In a study from the Tennent Institute of Ophthalmology, Rahman and co-workers demonstrate that significant bacterial growth was found in eight of 95 eye drop bottles of preservative free drops. They emphasise that preservative free eye drops in multiple application containers are at risk of contamination by potentially pathogenic micro-organisms. See p 139
NON-ARTERITIC ANTERIOR ISCHAEMIC OPTIC NEUROPATHY AND ERECTILE DYSFUNCTION
Recently it has been suggested that there may be a relation between the use of Viagra or Cialis and non-arteritic anterior ischaemic optic neuropathy. McGwin and co-workers performed a retrospective matched case-control study of 38 cases of non-arteritic ischaemic optic neuropathy in males. In this study men with non-arteritic ischaemic optic neuropathy …