Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 108
... Combination of the Images of Different Objects . — We have seen that the combination of the two external images of the same object produces single vision . But the external images of different objects may also be combined . Under this ...
... Combination of the Images of Different Objects . — We have seen that the combination of the two external images of the same object produces single vision . But the external images of different objects may also be combined . Under this ...
Página 109
... combined images ) is opaque like an object ; the other two , uncombined , are transparent like ordinary double images . In this case , as we are gazing beyond the finger , the double images ... images ) SUPERPOSITION OF EXTERNAL IMAGES . 109.
... combined images ) is opaque like an object ; the other two , uncombined , are transparent like ordinary double images . In this case , as we are gazing beyond the finger , the double images ... images ) SUPERPOSITION OF EXTERNAL IMAGES . 109.
Página 110
... images ) and the left- eye image of the left finger ( the right of its double images ) which combine in the middle ... combined images ; primed letters , left - eye im- ages ; c c , central spots of retina ; n , the nose ; PP , plane of ...
... images ) and the left- eye image of the left finger ( the right of its double images ) which combine in the middle ... combined images ; primed letters , left - eye im- ages ; c c , central spots of retina ; n , the nose ; PP , plane of ...
Página 111
... combined images , ab ' , will be seen , while two other uncombined images will be seen at points determined by the law of direction , rep- resented by continuing the lines RB and L A to the plane of sight . It is evident that in this ...
... combined images , ab ' , will be seen , while two other uncombined images will be seen at points determined by the law of direction , rep- resented by continuing the lines RB and L A to the plane of sight . It is evident that in this ...
Página 112
... combined images do not produce the appearance of a real object , as in the case of combined images of the same object producing single vision ; because , in the first place , the two objects are dissimilar , and therefore the combination ...
... combined images do not produce the appearance of a real object , as in the case of combined images of the same object producing single vision ; because , in the first place , the two objects are dissimilar , and therefore the combination ...
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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