1. A brief note upon a perfected series of test-words intended for the determination and estimation of the power of accommodation Author(s): Oliver, Charles A. (Charles Augustus), 1853-1911 author Publication: New York : The Knickerbocker Press, [1896?] Subject(s): Diagnostic Techniques, Ophthalmological -- instrumentationAccommodation, OcularVisual Acuity
2. A new series of metric test-letters and words for determining the amount and range of accomodation Author(s): Oliver, Charles A. (Charles Augustus), 1853-1911 author Publication: [New York?] : [publisher not identified], [1886?] Subject(s): Visual AcuityVision Tests -- instrumentation