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  • Title: [A new apparatus for objective visual acuity evaluation].
    Author: Kruse W.
    Journal: Klin Monbl Augenheilkd; 1980 Mar; 176(3):473-6. PubMed ID: 7421017.
    Abstract:
    The Catford Visual Acuity Apparatus is supposed to offer an easy and time-saving possibility for an objective determination of the visual acuity. No useful results were obtained from a survey, including 27 patients of varius age-group, which were examined at the recommended distance. Furthermore, because the examination becomes affected by other negative components, that come into perspective at the optimal distance of examination of 2 meters, this apparatus cannot be recommended for the use of an oculist in his practice.
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