title: A new way to find the primary position in three-dimensional measurements.
authors.affiliation: Department of Ophthalmology, Karolinska Institutet, SE-141 86 Stockholm, Sweden. jan.ygge@klinvet.ki.se
authors.forename: J
authors.initials: J
authors.lastname: Ygge
authors.forename: M
authors.initials: M
authors.lastname: Benassi
authors.forename: R
authors.initials: R
authors.lastname: Bolzani
mesh_terms: D000065:Accommodation, Ocular / Q000502:physiology; D006801:Humans; D021621:Imaging, Three-Dimensional; D010775:Photic Stimulation; D012016:Reference Values; D014796:Visual Perception / Q000502:physiology*