Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 28
... angle of divergence , so that they all meet at the same point , b ' . Similarly all the rays proceeding from a , and falling on the lens , are brought to the same point , a ' , and from e to the point c ' , and so also for every ...
... angle of divergence , so that they all meet at the same point , b ' . Similarly all the rays proceeding from a , and falling on the lens , are brought to the same point , a ' , and from e to the point c ' , and so also for every ...
Página 67
... angle to the point impressed , and therefore to the opposite side of the field of view . These colored spectra have been called phos- phenes . Experiment 3. Musca Volitantes . — If we gaze on a white wall or ceiling , or , still better ...
... angle to the point impressed , and therefore to the opposite side of the field of view . These colored spectra have been called phos- phenes . Experiment 3. Musca Volitantes . — If we gaze on a white wall or ceiling , or , still better ...
Página 84
... angles , or nearly at right angles , to the impressed surface , and therefore upward ; and radiants below the horizon , on the ground , impress the upper half of the retina and are referred downward . Comparison with Other Senses ...
... angles , or nearly at right angles , to the impressed surface , and therefore upward ; and radiants below the horizon , on the ground , impress the upper half of the retina and are referred downward . Comparison with Other Senses ...
Página 147
... interocular line is at right angles to the cords , * " Archives des Sciences , " tome iii , p . 142 ( 1858 ) . immediately their relative distance comes out with great distinctness . THEORIES OF BINOCULAR PERSPECTIVE . 147.
... interocular line is at right angles to the cords , * " Archives des Sciences , " tome iii , p . 142 ( 1858 ) . immediately their relative distance comes out with great distinctness . THEORIES OF BINOCULAR PERSPECTIVE . 147.
Página 168
... angles to the line of sight . The diagram is a correct representation of the phenomena as seen pro- jected on a vertical plane , but is not a correct represen- tation of the torsions of the eyes . To eliminate this source of fallacy and ...
... angles to the line of sight . The diagram is a correct representation of the phenomena as seen pro- jected on a vertical plane , but is not a correct represen- tation of the torsions of the eyes . To eliminate this source of fallacy and ...
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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