Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página 59
... toes . If the ulnar nerve be pinched in the hollow on the inner side of the point of the elbow , pain is felt in the little and ring fingers , where this nerve is distributed . In amputated legs , SPACE PERCEPTION . 59.
... toes . If the ulnar nerve be pinched in the hollow on the inner side of the point of the elbow , pain is felt in the little and ring fingers , where this nerve is distributed . In amputated legs , SPACE PERCEPTION . 59.
Página 61
... finger into the internal corner of the eye : you perceive a brilliant colored spectrum in the field of view on the opposite or external side . The spectrum thus produced has a deep steel - blue center , with a brilliant yellow border ...
... finger into the internal corner of the eye : you perceive a brilliant colored spectrum in the field of view on the opposite or external side . The spectrum thus produced has a deep steel - blue center , with a brilliant yellow border ...
Página 75
... finger lift up the upper lid : immediately the lower streamers viously explained by Priestley , but forgotten . ( " Nature , " vol . xxiv , p . 80 , 1881. ) 66 a disappear ; now press down the lower lid : SPACE PERCEPTION . 75.
... finger lift up the upper lid : immediately the lower streamers viously explained by Priestley , but forgotten . ( " Nature , " vol . xxiv , p . 80 , 1881. ) 66 a disappear ; now press down the lower lid : SPACE PERCEPTION . 75.
Página 81
... finger- tips , about or inch ; and on the tip of the tongue , about inch , or less . Now , sight is a very refined tact , and the retina is specially organized for an extreme minimum tactile . There is no doubt that the size of the ...
... finger- tips , about or inch ; and on the tip of the tongue , about inch , or less . Now , sight is a very refined tact , and the retina is specially organized for an extreme minimum tactile . There is no doubt that the size of the ...
Página 86
... fingers as in the representative of the blind spot . A black spot , or a dark spot , or a visible spot of any kind , is not the représentative in space of a blind or insensitive retinal spot . The true representative of a blind spot is ...
... fingers as in the representative of the blind spot . A black spot , or a dark spot , or a visible spot of any kind , is not the représentative in space of a blind or insensitive retinal spot . The true representative of a blind spot is ...
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Términos y frases comunes
adjustment angle axis bacillary layer becomes binocular eye binocular perspective binocular vision blind spot camera central spot ciliary muscle circle colors combined image concave corresponding points cross defect depth of space distance distant objects distinct divergence double images evident exactly Experiment explained external images farther fibers field of view focal fore fovea Helmholtz heteronymous homonymous horizontal horopter horopteric line Illustrations impression inches inclined interocular space left eye left-eye image lens light line of sight look median plane middle monocular motion muscles nearer normal eye nose oblique observer ocular optic axes optic chiasm optic nerve optic vesicle outward parallel perceived perception perfectly phantom phenomena point of sight position primary projection pupil ray-line rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single sensation side stereoscope surface tion torsion turn the eyes vergence vibrations visual lines visual result