"Retina" Quotes from Famous Books
 ... this instant, the dog turned his head. No human tympanum in the room vibrated to my cry. No human retina was recipient of my anguish. What fine, unclassified senses had the highly-organized animal by which he should become aware of me? The dog turned his noble head—he was a St. Bernard, with the moral qualities of the breed well marked ...
— The Gates Between • Elizabeth Stuart Phelps
... table bare of the lore and lure of journalism as typified in the bulky, black-faced editions, he set out clean paper, cleansed his fountain pen, and stared at the ceiling. What should he write about? His mental retina teemed with impressions. But they were confused, unresolved, distorted for all that he knew, since he lacked experience and knowledge of the environment, and therefore perspective. Groping, he recalled a saying of Gardner's as that wearied ...
— Success - A Novel • Samuel Hopkins Adams
... saw it not. At least it made no sensible impression on him. His mental retina was capable of receiving only two pictures: the concentrated accumulation of past sin—the terrible anticipation of future retribution. Between these two, present danger and suffering were ...
— The Madman and the Pirate • R.M. Ballantyne
... problem of optics, and physiological optics is the study of perception by means of the sense of sight. We see things in the external world through the medium of light which they direct upon our eyes. The light strikes the retina, and causes a sensation. The sensation brought to the brain by means of the optic nerve becomes the condition of the representation in consciousness of certain objects distributed in space.... We make use of the sensation which the light stimulates ...
— Robin Hood • J. Walker McSpadden
... sclerotic), on the inner side of which is laid a more delicate, friable membrane, consisting mainly of blood vessels and pigment cells (the choroid), which in its turn is lined by the extremely delicate and sensitive expansion of the nerve of sight (the retina). The anterior fifth of the globe of the eye bulges forward from what would have been the direct line of the sclerotic, and thus forms a segment of a much smaller sphere than is inclosed by the sclerotic. Its walls, too, have in health a perfect translucency, from which ...
— Special Report on Diseases of the Horse • United States Department of Agriculture
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