Nonarteritic anterior ischemic optic neuropathy: time of onset of visual loss.

@article{Hayreh1997NonarteriticAI,
  title={Nonarteritic anterior ischemic optic neuropathy: time of onset of visual loss.},
  author={Sohan Singh Hayreh and Patricia A Podhajsky and Bridget Zimmerman},
  journal={American journal of ophthalmology},
  year={1997},
  volume={124 5},
  pages={641-7}
}
PURPOSE To study time of day and seasonal variation of onset of visual loss in nonarteritic anterior ischemic optic neuropathy (AION). METHODS From 1975 to 1995, we prospectively investigated the time of discovery of visual loss in 635 patients (871 eyes) with AION--a total of 925 episodes. Data were analyzed for two variables: time of day of discovery of… CONTINUE READING