Colour blindness and defective eyesight in the personnel of the Mercantile Marine : evidence of Mr. Bickerton (Liverpool) given before the President of the Board of Trade, Feb. 1, 1895, on the Board of Trade tests and regulations for eyesight and colour blindness.

  • Bickerton, Thomas H. (Thomas Herbert), 1857-1933.
Date:
1895
Catalogue details

Licence: Public Domain Mark

Credit: Colour blindness and defective eyesight in the personnel of the Mercantile Marine : evidence of Mr. Bickerton (Liverpool) given before the President of the Board of Trade, Feb. 1, 1895, on the Board of Trade tests and regulations for eyesight and colour blindness. Source: Wellcome Collection.

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    COLOUR BLINDNESS AND DEFECTIVE EYESIGHT IN THE PERSONNEL OF THE MERCANTILE MARINE. Evidence of Mr. BICKERTON (Liverpool) GIVEN BEFORE THE PRESIDENT OF THE BOARD of Trade, Feb. i, 1895, on the Board of Trade Tests and Regulations for Eye¬ sight and Colour Blindness. With the object of avoiding- collisions at sea, the Board of Trade, in the year 1852, issued an order compelling vessels to carry bright lights and coloured lights, so as to indicate their positions to any other vessels in their neigh¬ bourhood. In 1855, Dr. Wilson, of Edin¬ burgh, called attention to the fact that these bright and coloured lights could not prevent accidents from still occurring if the sailors employed on board were poor-sighted or colour¬ blind. No notice was taken of his remarks. Twenty-one years later, Dr. Caldwell, surgeon on the Cunard crack passenger steamer u Russia,” noticed that one of the look-out men had a glass eye, and that the other man on the same watch was blind in the opposing eye. Dr. Caldwell wrote to Messrs. Maclver, who con-