title: Pierre-Félix Lagrange
text: # Pierre-Félix Lagrange
  
  Pierre-Félix Lagrange (22 January 1857 – 22 April 1928) was a French ophthalmologist.
  
  ## Early life
  
  Pierre-Félix Lagrange was born on January 22, 1857, in Soumensac, département lot-et-Garonne, France. He studied medicine at the University of Bordeaux in Bordeaux.
  
  ## Career
  
  Lagrange was a professor with the faculty of medicine at Bordeaux. He was a specialist in the study and treatment of ophthalmic disorders, including eye tumors, strabismus, refraction anomalies and glaucoma. He is remembered for introducing a surgical technique that was a combination of an iridectomy and sclerectomy for treatment of glaucoma. This surgery was later referred to as a "sclerectoiridectomy" or "Lagrange's operation".
  
  With Emile Valude (1857–1930), Lagrange was co-publisher of the Encyclopédie française d'ophtalmologie (1903–10).
  
  ## Death
  
  He died on April 22, 1928. He was seventy-one years old.
  
  ## Selected writings
  
  * Etudes sur les tumeurs de l'oeil, de l'orbite et des annexes. Paris, G. Steinheil, 1893.
  * Rapport sur le diagnostic et le traitement des tumeurs de l'orbite. Paris, 1903.
  * Atlas d'ophtalmoscopie de guerre. 1918
  