Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 72
... lines and cloud- ings . If the retina has been previously strongly im- pressed , spectra are seen on this dark ... visual phenomena . Corresponding Points , Retinal and Spatial . - Further , it is evident that every point - every rod or cone ...
... lines and cloud- ings . If the retina has been previously strongly im- pressed , spectra are seen on this dark ... visual phenomena . Corresponding Points , Retinal and Spatial . - Further , it is evident that every point - every rod or cone ...
Página 92
... line of the nose n n on the left , the brows br above , and the cheek ch below . The field of the left eye , L , is bounded similarly on the right by the nose n'n ' , the brow br ' , and the cheek ch ' . Between the lines of the nose ...
... line of the nose n n on the left , the brows br above , and the cheek ch below . The field of the left eye , L , is bounded similarly on the right by the nose n'n ' , the brow br ' , and the cheek ch ' . Between the lines of the nose ...
Página 105
... visual phe- nomena are explained , viz . , the law of direction and the law of corresponding points . The one gives ... lines con- necting and crossing in the nodal point ; the other asserts a correspondence point for point of the rods ...
... visual phe- nomena are explained , viz . , the law of direction and the law of corresponding points . The one gives ... lines con- necting and crossing in the nodal point ; the other asserts a correspondence point for point of the rods ...
Página 130
... visual impressions , we shall find further that , when we look steadily at the larger circle or base , the smaller ... lines a a ' and b b ' behave exactly like the lines de- scribed on page 122 , forming a V , an inverted V , or an X ...
... visual impressions , we shall find further that , when we look steadily at the larger circle or base , the smaller ... lines a a ' and b b ' behave exactly like the lines de- scribed on page 122 , forming a V , an inverted V , or an X ...
Página 131
... visual lines will pass through these points , and the images of these two points will fall on corresponding points of the retina , viz . , on the cen- tral spots , and will be united and seen single . But where ? Manifestly at the point ...
... visual lines will pass through these points , and the images of these two points will fall on corresponding points of the retina , viz . , on the cen- tral spots , and will be united and seen single . But where ? Manifestly at the point ...
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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