Latest Arteritic anterior ischemic optic neuropathy Stories

2013-11-19 16:54:03

Nonarteritic anterior ischemic optic neuropathy (NAION) is one of the leading causes of sudden and irreversible loss of vision in older adults.

2005-07-26 15:48:32

TORONTO (Reuters) - Canada advised users of the erectile dysfunction drugs Viagra, Cialis or Levitra on Tuesday to seek "immediate medical attention" if they experience sudden vision loss or other vision problems when taking the drugs.

Word of the Day
  • A person who stands up for something, as contrasted to a bystander who remains inactive.
  • One of the upright handlebars on a traditional Inuit sled.
The word 'upstander' in the first sense here is a play on the word 'bystander' and the idea of 'standing up' for something.