title: Estimation of back vertex power and magnification of variable focus telescopes.
authors.affiliation: School of Optometry, University of Waterloo, Ontario, Canada.
authors.forename: G C
authors.initials: GC
authors.lastname: Woo
authors.forename: C W
authors.initials: CW
authors.lastname: Lu
authors.forename: J A
authors.initials: JA
authors.lastname: Wessel
mesh_terms: D000465:Algorithms; D007909:Lenses; D055095:Optics and Photonics