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Related Experiment Videos

Hypnosis-associated blue-tinted vision: a case report.

Ran D Anbar1, Aaron D Savedoff

  • 1Department of Pediatrics, University Hospital, State University of New York Upstate Medical University, Syracuse, NY, USA. anbarr@upstate.edu

BMC Ophthalmology
|December 3, 2005
PubMed
Summary

Self-hypnosis can cause temporary blue-tinted vision in some individuals. This visual change may be linked to cognitive processing shifts or retinal vasodilation during relaxation.

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Area of Science:

  • Psychiatry
  • Ophthalmology

Background:

  • Self-hypnosis is utilized for managing pulmonary symptoms at SUNY Upstate Medical University.
  • This study investigates an unusual side effect of hypnosis: blue-tinted vision.

Observation:

  • Four individuals, including a cystic fibrosis patient, reported experiencing blue-tinted vision during self-hypnosis for relaxation.
  • The visual phenomenon typically occurred during relaxed states and was sometimes accompanied by non-sexual erections.

Findings:

  • This is the first reported instance of hypnosis-associated blue-tinted vision in medical literature.
  • The blue vision may stem from hypnosis-induced alterations in cognitive processing.

Implications:

  • Hypnosis may induce physiological changes affecting vision, potentially through retinal vasodilation due to reduced blood pressure.

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  • Further research is needed to understand the mechanisms behind hypnosis-associated visual disturbances.