1. The directions of the apparent vertical and horizontal meridians of the retina and their modification from physiological and pathological causes: with a description of the clinoscope Author(s): Stevens, George T. (George Thomas), 1832-1921 author Publication: New York : the Knickerbocker Press, [1897?] Subject(s): Retina -- physiologyAccommodation, Ocular -- physiologyRetinal Diseases