title: [Plea for a definition of visual acuity].
mesh_terms: D005556:Form Perception; D006801:Humans; D008027:Light; D010783:Photometry; D012160:Retina / Q000502:physiology; D012660:Semantics; D014787:Vision Tests; D014792:Visual Acuity
vernacular_title: Plaidoyer pour une définition de l'acuité visuelle.