Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página vi
... impressions , without even being conscious of phenomena on which are based judgments which are necessary for the safe conduct of physical life ? We believe that this reproach is being removed , and it is to help its removal that this ...
... impressions , without even being conscious of phenomena on which are based judgments which are necessary for the safe conduct of physical life ? We believe that this reproach is being removed , and it is to help its removal that this ...
Página xii
... impressions , 58 ; com- parison with other senses , 59 ; illustrations of this law , 61 ; phosphenes , 61 ; muscæ volitantes , 62 ; Purkinje's figures , 62 ; ocular spectra , 63 . SECOND LAW OF VISION , 67 ; the law of direction , 67 ...
... impressions , 58 ; com- parison with other senses , 59 ; illustrations of this law , 61 ; phosphenes , 61 ; muscæ volitantes , 62 ; Purkinje's figures , 62 ; ocular spectra , 63 . SECOND LAW OF VISION , 67 ; the law of direction , 67 ...
Página xvi
... 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 xvi
... impressions , called smells , and nothing else . If , therefore , these nerve - fibers are irri- tated in any way , even mechanically , by scratching or pinching , they do not feel but perceive an odor . The second pair of cranial ...
... impressions , called smells , and nothing else . If , therefore , these nerve - fibers are irri- tated in any way , even mechanically , by scratching or pinching , they do not feel but perceive an odor . The second pair of cranial ...
Página xvi
... impression , and perceive a different property , viz . , the five special sense - fibers for sight , hearing , smell , taste , and touch . Even these are probably again further dif- ferentiated ; for the perception of different colors ...
... impression , and perceive a different property , viz . , the five special sense - fibers for sight , hearing , smell , taste , and touch . Even these are probably again further dif- ferentiated ; for the perception of different colors ...
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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