1. Vision: its optical defects, and the adaptation of spectacles : embracing first, physical optics, second, physiological optics, third, errors of refraction and defects of accommodation, or optical defects of the eye : with seventy-four illustrations on wood and selections from the test-types of Jaeger and Snellen Author(s): Fenner, C. S. (Christopher Smith), 1823-1879, author Publication: Philadelphia : P. Blakiston, Son & Co., 1883 Subject(s): Refractive ErrorsOptical Phenomena
