Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 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 1 inch in diameter . In this 10000 spot , therefore , there are probably no ...
... 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 1 inch in diameter . In this 10000 spot , therefore , there are probably no ...
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 ciliary muscle circle colors combined images cornea corresponding points cross depth of space distance distant objects distinct divergence double images evident exactly Experiment external images farther fibers field of view gaze Helmholtz heteronymous homonymous horizontal horopter horopteric line identical points Illustrations impression inches inclination interocular space inverted jects law of corresponding left eye left-eye image lens light line of sight look median line middle monocular motion muscles naked eyes nearer nose oblique observer ocular optic axes optic centers optic chiasm optic convergence optic nerve outward parallel perceived perception perfect image perfectly point of sight position projection pupil ray-lines rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single shut side stereoscope surface tion torsion turn the eyes vergence vertical meridian vibrations visual lines visual result