title: A new method for visual efficiency evaluation.
abstract: We made an octotype with a grey scale to be able to evaluate minimal visual changes. This instrument is very help full for detection of minimal functional worsening especially in maculopathies and neuritis.
authors.affiliation: Department of Oculistics, Ospedale Civile, Ivrea, Turin.
authors.forename: G P
authors.initials: GP
authors.lastname: Gracis
authors.forename: D
authors.initials: D
authors.lastname: Giobbio
mesh_terms: D000328:Adult; D005069:Evaluation Studies as Topic; D006801:Humans; D014786:Vision Disorders / Q000175:diagnosis; D014787:Vision Tests / Q000379:methods*