Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 275 páginas |
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Página 17
... cone or pyramid . Evidently , therefore , the deeper and smaller parts of the hollow must be filled with something else . It is filled with loose connective tissue , containing fat . On this , as on a soft cushion , the eyeball rolls ...
... cone or pyramid . Evidently , therefore , the deeper and smaller parts of the hollow must be filled with something else . It is filled with loose connective tissue , containing fat . On this , as on a soft cushion , the eyeball rolls ...
Página 57
... cones . It is seen , still further , that all these different elements of the retina are in con- tinuous connection ... cones , as in Fig . 23 , A. As we approach the central spot the cones become more numerous , as seen in B. In the ...
... cones . It is seen , still further , that all these different elements of the retina are in con- tinuous connection ... cones , as in Fig . 23 , A. As we approach the central spot the cones become more numerous , as seen in B. In the ...
Página 58
... cones are shorter and about three times thicker than the rods , except in the central depression , where they are nearly as small as the rods , being there only inch in diameter . In this spot , therefore , there are probably no less ...
... cones are shorter and about three times thicker than the rods , except in the central depression , where they are nearly as small as the rods , being there only inch in diameter . In this spot , therefore , there are probably no less ...
Página 59
... cones . These are specially organized to respond to or co - vibrate with the undulations of light . These vibrations are carried through the connecting threads to the fibrous layer , then through the fibers of this layer to the optic ...
... cones . These are specially organized to respond to or co - vibrate with the undulations of light . These vibrations are carried through the connecting threads to the fibrous layer , then through the fibers of this layer to the optic ...
Página 61
... cone responds to red and green , another kind to yellow and blue . Very recently Stanly Hall has proposed a theory which seems even more probable . * He believes that color is perceived by the cones alone ; further , that * " American ...
... cone responds to red and green , another kind to yellow and blue . Very recently Stanly Hall has proposed a theory which seems even more probable . * He believes that color is perceived by the cones alone ; further , that * " American ...
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Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot Cheaper Edition ciliary muscle Cloth colors combined images cones corresponding points cross Demy 8vo diagram direction distance distant objects distinct divergence double images evident Experiment external images farther Fcap fibers field of view Frontispiece Helmholtz heteronymous horizontal horopter horopteric line Illustrations impression inches inclination interocular space jects Large post 8vo left eye left-eye image lens light line of sight look median line monocular motion muscles nearer nose observer ocular optic axes optic centers optic chiasm optic nerve outward parallel perception perfectly phenomena plane Poems point of sight Portrait position price 75 Prof projection rays refractive represent retina retinal images right eye rotation sclerotic screen Second Edition seen single Small crown 8vo stereoscope surface T. H. HUXLEY Third Edition tion torsion Translated vertical meridian vibrations visual lines visual result vols
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