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Retina   /rˈɛtənə/   Listen
noun
Retina  n.  (Anat.) The delicate membrane by which the back part of the globe of the eye is lined, and in which the fibers of the optic nerve terminate. See Eye. Note: The fibers of the optic nerve and the retinal blood vessels spread out upon the front surface of the retina, while the sensory layer (called Jacob's membrane), containing the rods and cones, is on the back side, next the choroid coat.






Collaborative International Dictionary of English 0.48








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"Retina" Quotes from Famous Books



... Caldwell could see nothing else but this spot on the carpet; no, not even though she turned her eyes in various directions, the retina keeping that image to the exclusion ...
— After a Shadow, and Other Stories • T. S. Arthur

... thought! and it was true. They were "clean run to seed." He went to get his cart. (He did not speak to Kitty.) His home came before his eyes like a photograph: fences down, gates gone, houses ruinous, fields barren. It came to him as if stamped on the retina by a lightning-flash. He had worked—worked hard. But it was no use. It was true: they were "clean run to seed." He helped his mother and Kitty into the cart silently—doggedly. Kitty smiled at him. It hurt him like a blow. He saw every worn place, every darn in her old dress, and little, ...
— "Run To Seed" - 1891 • Thomas Nelson Page

... the mountains, I mean to say—how are they going to be held fast by the optic apparatus? The lens, you understand. I want to be able to shove them into a sketch-book, like you fellows. Well, how? That's what I want to know. How to turn my retina into ...
— South Wind • Norman Douglas

... in front of the eye in a dark room, it appears not as an illuminated spark, but as a line of fire; a so-called shooting star, or a flash of lightning produces the same effect. This result is purely physiological, and is due to the fact that the retina of the eye may be considered as practically a sensitized plate of relatively slow speed, and an image impressed upon it remains, before being effaced, for a period of from one-tenth to one-seventh of a second, varying according to the idiosyncrasies of the individual ...
— Edison, His Life and Inventions • Frank Lewis Dyer and Thomas Commerford Martin

... has a blind spot in the retina. When things pass over this blind spot, they absolutely vanish; the other eye supplies the missing object. To the French ace it seemed that his eyes were all blind spots, so far as the Master was concerned. ...
— The Flying Legion • George Allan England


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