Tuesday, November 27, 2012

railway accident in 1875 that led to occupational color blindness testing

Although more recent analyses dispute color blindness as the main cause of this railway accident, in which 9 were killed, the origins of occupational screening for color blindness are often traced to to this head-on crash in Lagerlunda, Sweden, on the night of 14--15 November 1875.

red-green detection is actually the most common form of color blindness

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