Ferdinand Monoyer

Ferdinand Monoyer was a French ophtamologist, known for introducing the dioptre in 1872.[1] He was born in Lyon, France on May 9, 1836. He also died in Lyon on July 11, 1912.[2]

Monoyer chart. Reading upwards on both ends (ignoring the last line), the name "Ferdinand Monoyer" can be seen

He also invented the Monoyer chart, used to test visual acuity.[3] He inserted his name in the chart; reading vertically from bottom to top on each side of the chart, one can read his name.[4]

History

Monoyer was of Alsatian heritage by his mother and was the son of a French military doctor.[5] He was an Associate Professor of Medical Physics at the Faculty of Medicine of the University of Strasbourg in 1871.[6] Later, he was director of the Ophthalmic Clinic of the Faculty of Medicine, University of Nancy from 1872-1877. He was also Professor of medical physics at the Faculty of Medicine at the University of Lyon from 1877-1909.[2]

Death

Monoyer died at the age of 76. His tomb is located in the Cimetière de la Guillotière in Lyon. On Saturday, July 13, 1912, a long procession of friends and members of the Faculty of Medicine at the University of Lyon accompanied Professor Monoyer to his final resting place; Professor Hugounenq traced Monoyer's career as chair at the University of Lyon, Associate Professor Nogier spoke on behalf of the students of the late master and Dr. Louis Dor made a speech on behalf of the Ophthalmological Society of Lyon.[5]

A speech made in his honour by the President of Société nationale de Médecine de Lyon during the November 11, 1912 session of the Société was concluded as such: "To the memory of this scholar, the Medical Society bows with respect and sadness; she has lost a friend who was also her counselor who knew to think and to reflect." [5]

References

  1. ↑ Keating, Michael P. (September 1975). "Vergence, vision, and geometric optics" (PDF). Am. J. Phys. 43 (9): 766–769. doi:10.1119/1.9703. Retrieved September 11, 2014.
  2. 1 2 "MONOYER (Ferdinand)". BIU Santé (in French). BIU Santé. Retrieved September 12, 2014.
  3. ↑ Koki, G.; et al. (October 2013). "Complications oculaires, à l'exclusion de la rétinopathie diabétique, chez le jeune diabétique de type 1, au Cameroun" [Ocular complications, excluding diabetic retinopathy, in young type 1 diabetic patient in Cameroon]. Médecine des Maladies Métaboliques (in French). Elsevier. 7: 473–476. doi:10.1016/S1957-2557(13)70546-7. Retrieved September 12, 2014.
  4. ↑ "Le test d'acuité visuelle Monoyer cache le nom de son inventeur". secouchermoinsbete.fr (in French). Retrieved September 11, 2014.
  5. 1 2 3 Various (July 1912). "LE PROFESSEUR FERDINAND MONOYER.". Lyon médical : Gazette médicale et Journal de médecine réunis (in French). Société médicale des hôpitaux de Lyon. CXIX (27). ISSN 0024-7790. Retrieved September 12, 2014.
  6. ↑ Wundt, L. D. W. (1871). Traité élémentaire de physique médicale. [Elementary Treatise of Medical Physics.] (in French). Paris: JB Bailliere et Fils. Retrieved September 12, 2014.
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