Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 6
... impressions , 64 ; compared with other senses , 65 ; illustrations of this property , 66 ; phosphenes , 67 ; muscæ volitantes , 67 ; Purkinje's figures , 68 ; ocular spectra , 69 ; corresponding points , retinal and spatial , 72 ...
... impressions , 64 ; compared with other senses , 65 ; illustrations of this property , 66 ; phosphenes , 67 ; muscæ volitantes , 67 ; Purkinje's figures , 68 ; ocular spectra , 69 ; corresponding points , retinal and spatial , 72 ...
Página 9
... Impressions on their outer extremity are transmitted along the fiber with a velocity of about one hundred feet per ... impression . It gives knowledge of externality - of the existence of the external world- but not of the properties ...
... Impressions on their outer extremity are transmitted along the fiber with a velocity of about one hundred feet per ... impression . It gives knowledge of externality - of the existence of the external world- but not of the properties ...
Página 10
... impressions , called smells , and no- thing else . If , therefore , these nerve - fibers are irritated in any way , even mechanically , by scratching or pinch- ing , they do not feel but perceive an odor . The second pair of cranial ...
... impressions , called smells , and no- thing else . If , therefore , these nerve - fibers are irritated in any way , even mechanically , by scratching or pinch- ing , they do not feel but perceive an odor . The second pair of cranial ...
Página 11
... impression , and perceive a different prop- erty , viz . , the five special sense - fibers for sight , hear- ing , smell , taste , and touch . Even these are probably again further differentiated ; for the perception of dif- ferent ...
... impression , and perceive a different prop- erty , viz . , the five special sense - fibers for sight , hear- ing , smell , taste , and touch . Even these are probably again further differentiated ; for the perception of dif- ferent ...
Página 14
... impression and give it more defi- niteness . It is wholly by virtue of this supplementary instrument that we are able to hear not only sound but music , or to see not only light but objects . The lowest animals in which an optic nerve ...
... impression and give it more defi- niteness . It is wholly by virtue of this supplementary instrument that we are able to hear not only sound but music , or to see not only light but objects . The lowest animals in which an optic nerve ...
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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