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This monograph offers a review of the subject of color blindness, the means of discovering it and the importance of such tests.
The history of the knowledge of the condition is reviewed, Dalton's classic description of his own case being quoted, and the early work of the poet Goethe, who made a thorough study of the subject, is summarized. Apparently, the first work on the subject by a physician and the first recognition of its importance in the railroad service were in 1885 by Wilson of London. (The authors give 1885 as the date of Wilson's work, but mention several other works with earlier dates. The reference to Wilson is not to be found in their bibliography.)
The Swedish physician Holmgren traced a famous railroad wreck and a war-time disaster to color blind operators, and following his work examinations for daltonism were carried out in many railroad com
Gifford SR. Le daltonisme. Arch Ophthalmol. 1930;3(1):126–127. doi:https://doi.org/10.1001/archopht.1930.00810030136013
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