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visual field test
Merck Sharp & Dohme Limited
Europe: United Kingdom, England, Hertfordshire, Hoddesdon; Europe: Scotland, Strathclyde, Glasgow
chart: 294 x 418 mm; record sheet: 210 x 297 mm
Oculo-Kinetic perimetry (OKP) test, consisting of double-sided cardboard chart (left eye and right eye tests), swivelling side-arm and occluder on spiral hinge. Board features light blue printed fixation targets in spiral arrangement around a black dot. Together with a pad of pre-printed patient record sheets. Also an instruction leaflet, including line diagrams.