[2] He went to Europe for special study in his profession, and on his return was appointed surgeon to the New York Eye and Ear Infirmary,[2] from 1855 through 1864.

He was prominent in the United States Sanitary Commission,[2] which administered supplies and medical assistance to the field armies.

[1] He was instrumental, in 1868, in the founding of an ophthalmic clinic in the College of Physicians and Surgeons, of which he was in 1869 appointed professor and lecturer.

[2] In 1869 he was elected to the clinical professorship of diseases of the eye and ear in the College of Physicians and Surgeons, a position which he held till his death on April 18, 1888, in New York City.

[1] He prepared many papers relating to the eye and ear, and published in the current medical journals, also, a Series of American Clinical Lectures (1875), edited by E. C. Sequin (M.D.