The Hunterian lectures on colour-vision and colour-blindness [electronic resource] : delivered before the Royal College of Surgeons of England on February 1st and 3rd, 1911 (1911)
Edridge-Green, F. W. (Frederick William), 1863-1953, Royal College of Surgeons of England, University College, London. Library Services · London : Kegan, Paul, Trench, Trübner & Co. · leaf 72
68 THE HUNTERIAN LECTURES test before the candidate first of all, neither should one candidate be allowed to watch another making his selection. A shrewd colour-blind person might pass the test if he had seen a normal- sighted person go through it previously. In order to show the candidate the… … Fig. 5. one of the wools which is not a test colour — blue, for instance — and pick out four or five shades of the colour. The wools should be arranged with- out the knowledge of the candidate, so that a yellow or a grey is placed beside a red and the examinee asked to name its colour. At another…
Ophthalmology · Eye · Color · Color blindness · Color vision · Color Vision Defects · Color Perception
Internet Archive · UCL Library Services, University College London (UCL) · Public domain (published before 1931). Free to use for anything.
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