title: Functional visual loss and the duochrome test.
authors.affiliation: Ophthalmology Department, Mayo Clinic, Rochester, MN 55905, USA.
authors.forename: E B
authors.initials: EB
authors.lastname: Ing
authors.forename: B R
authors.initials: BR
authors.lastname: Younge
authors.forename: J A
authors.initials: JA
authors.lastname: Leavitt
authors.forename: P J
authors.initials: PJ
authors.lastname: Fitzpatrick
mesh_terms: D006801:Humans; D007909:Lenses; D014786:Vision Disorders / Q000175:diagnosis*; D014787:Vision Tests / Q000295:instrumentation / Q000379:methods*