title: Positive angle kappa: a confounding variable in the diagnostic testing of patients with albinism.
authors: M C
authors: MC
authors: Brodsky
mesh_terms: D016117:Albinism, Ocular / Q000175:diagnosis*; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D058609:Visual Field Tests; D014794:Visual Fields