Before revision: John Jeffries II (March 23, 1796– 1876 ) was an American ophthalmic surgeon who co-founded the Massachusetts Charitable Eye and Ear Infirmary in 1824.
After revision: John Jeffries II (March 23, 1796– July1876 ) was an American ophthalmic surgeon who co-founded the Massachusetts Charitable Eye and Ear Infirmary in