Charles Bonnet Syndrome

Oliver Sacks

Oliver Sacks

I was saddened to read of the death of the wonderful Oliver Sacks today. He announced in February that he had terminal cancer. He was a brilliant neurologist and speaker and I enjoyed his books and lectures. Visual hallucinations are very common among the mainly elderly patients I examine in practice. Often these patients are too frightened to admit to them unless questioned directly. The perception among the general public is that hallucinations = going mad. In fact some 10% of visually impaired people experience hallucinations and these have a name; Charles Bonnet Syndrome. Oliver Sacks himself was visually impaired and experienced these hallucinations first hand. Continue Reading →