1. A practical and rapid method, with an instrument, for the diagnosis of the refraction Author(s): Thomson, William, 1833-1907, author Publication: [New York?] : [publisher not identified], [1878?] Subject(s): Refractive Errors -- diagnosis
2. An additional test for the diagnosis of ametropia, with a method to determine its various degrees Author(s): Thomson, William, 1833-1907, author Publication: New York : William Wood & Company, 1872 Subject(s): Refractive Errors -- diagnosis