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Priority claimed from DE19752507723external-prioritypatent/DE2507723C3/de
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Publication of JPS5198191ApublicationCriticalpatent/JPS5198191A/ja
A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
A61B3/024—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for determining the visual field, e.g. perimeter types