title: Persistent visual changes following hashish consumption.
authors.affiliation: Department of Ophthalmology, Geneva University Hospital, Switzerland.
authors.forename: G L
authors.initials: GL
authors.lastname: Laffi
authors.forename: A B
authors.initials: AB
authors.lastname: Safran
mesh_terms: D000221:Adaptation, Ocular; D000328:Adult; D006801:Humans; D008297:Male; D008385:Marijuana Smoking / Q000009:adverse effects*; D014786:Vision Disorders / Q000209:etiology*; D014792:Visual Acuity; D014794:Visual Fields