| Pierre-Félix Lagrange | |
| Birth Date: | 22 January 1857 |
| Birth Place: | Soumensac, lot-et-Garonne, France |
| Alma Mater: | University of Bordeaux |
| Occupation: | Opthtalmologist |
| Relatives: | Pierre Cathala (son-in-law) |
Pierre-Félix Lagrange (22 January 1857 – 22 April 1928) was a French ophthalmologist.
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.
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).[1]
He died on April 22, 1928. He was seventy-one years old.