1. Ophthalmometry with the ophthalmometer of Javal and Schiötz, with an account of a case of keratoconus Author(s): Burnett, Swan M. (Swan Moses), 1847-1906, author Publication: New York : G.P. Putnam's Sons, printers, [1885] Subject(s): Keratoconus -- diagnosisDiagnostic Techniques, Ophthalmological -- instrumentationAstigmatism -- diagnosis
