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 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 1 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 ciliary muscle circle colors combined images cones corresponding points cross depth of space distant objects distinct double images evident exactly Experiment external images eyes by squinting farther fibers field of view figures finger focal adjustment foreground forms of perspective gaze heteronymously homonymously horizontal horopter identical points impression inches inclination interocular space inverted jects left eye lens less convergence light line of sight look median plane monocular images motion muscles naked eyes nearer nose object or scene oblique observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perceived perception of depth perfect image perfectly point of sight position projection rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single side stereoscope stereoscopic pictures surface tion torsion turn the eyes unite visual lines visual result